1990973520

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:304

約数の個数: 400

約数和(自身を含む): 7396371840

約数和(自身を除く): 5405398320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 81, 90, 95, 103, 108, 114, 120, 135, 144, 152, 157, 162, 171, 180, 190, 206, 216, 228, 240, 270, 285, 304, 309, 314, 324, 342, 360, 380, 405, 412, 432, 456, 471, 513, 515, 540, 570, 618, 628, 648, 684, 720, 760, 785, 810, 824, 855, 912, 927, 942, 1026, 1030, 1080, 1140, 1236, 1256, 1296, 1368, 1413, 1520, 1539, 1545, 1570, 1620, 1648, 1710, 1854, 1884, 1957, 2052, 2060, 2160, 2280, 2355, 2472, 2512, 2565, 2736, 2781, 2826, 2983, 3078, 3090, 3140, 3240, 3420, 3708, 3768, 3914, 4104, 4120, 4239, 4560, 4635, 4710, 4944, 5130, 5562, 5652, 5871, 5966, 6156, 6180, 6280, 6480, 6840, 7065, 7416, 7536, 7695, 7828, 8208, 8240, 8343, 8478, 8949, 9270, 9420, 9785, 10260, 11124, 11304, 11742, 11932, 12312, 12360, 12560, 12717, 13680, 13905, 14130, 14832, 14915, 15390, 15656, 16171, 16686, 16956, 17613, 17898, 18540, 18840, 19570, 20520, 21195, 22248, 22608, 23484, 23864, 24624, 24720, 25434, 26847, 27810, 28260, 29355, 29830, 30780, 31312, 32342, 33372, 33912, 35226, 35796, 37080, 37680, 39140, 41040, 41715, 42390, 44496, 44745, 46968, 47728, 48513, 50868, 52839, 53694, 55620, 56520, 58710, 59660, 61560, 63585, 64684, 66744, 67824, 70452, 71592, 74160, 78280, 80541, 80855, 83430, 84780, 88065, 89490, 93936, 97026, 101736, 105678, 107388, 111240, 113040, 117420, 119320, 123120, 127170, 129368, 133488, 134235, 140904, 143184, 145539, 156560, 158517, 161082, 161710, 166860, 169560, 176130, 178980, 194052, 203472, 211356, 214776, 222480, 234840, 238640, 241623, 242565, 254340, 258736, 264195, 268470, 281808, 291078, 307249, 317034, 322164, 323420, 333720, 339120, 352260, 357960, 388104, 402705, 422712, 429552, 436617, 469680, 483246, 485130, 508680, 528390, 536940, 582156, 614498, 634068, 644328, 646840, 667440, 704520, 715920, 727695, 776208, 792585, 805410, 845424, 873234, 921747, 966492, 970260, 1017360, 1056780, 1073880, 1164312, 1208115, 1228996, 1268136, 1288656, 1293680, 1309851, 1409040, 1455390, 1536245, 1585170, 1610820, 1746468, 1843494, 1932984, 1940520, 2113560, 2147760, 2183085, 2328624, 2416230, 2457992, 2536272, 2619702, 2765241, 2910780, 3072490, 3170340, 3221640, 3492936, 3686988, 3865968, 3881040, 4227120, 4366170, 4608735, 4832460, 4915984, 5239404, 5530482, 5821560, 6144980, 6340680, 6443280, 6549255, 6985872, 7373976, 8295723, 8732340, 9217470, 9664920, 10478808, 11060964, 11643120, 12289960, 12681360, 13098510, 13826205, 14747952, 16591446, 17464680, 18434940, 19329840, 20957616, 22121928, 24579920, 24887169, 26197020, 27652410, 33182892, 34929360, 36869880, 41478615, 44243856, 49774338, 52394040, 55304820, 66365784, 73739760, 82957230, 99548676, 104788080, 110609640, 124435845, 132731568, 165914460, 199097352, 221219280, 248871690, 331828920, 398194704, 497743380, 663657840, 995486760, 1990973520]

約数ペア:

[(1, 1990973520), (2, 995486760), (3, 663657840), (4, 497743380), (5, 398194704), (6, 331828920), (8, 248871690), (9, 221219280), (10, 199097352), (12, 165914460), (15, 132731568), (16, 124435845), (18, 110609640), (19, 104788080), (20, 99548676), (24, 82957230), (27, 73739760), (30, 66365784), (36, 55304820), (38, 52394040), (40, 49774338), (45, 44243856), (48, 41478615), (54, 36869880), (57, 34929360), (60, 33182892), (72, 27652410), (76, 26197020), (80, 24887169), (81, 24579920), (90, 22121928), (95, 20957616), (103, 19329840), (108, 18434940), (114, 17464680), (120, 16591446), (135, 14747952), (144, 13826205), (152, 13098510), (157, 12681360), (162, 12289960), (171, 11643120), (180, 11060964), (190, 10478808), (206, 9664920), (216, 9217470), (228, 8732340), (240, 8295723), (270, 7373976), (285, 6985872), (304, 6549255), (309, 6443280), (314, 6340680), (324, 6144980), (342, 5821560), (360, 5530482), (380, 5239404), (405, 4915984), (412, 4832460), (432, 4608735), (456, 4366170), (471, 4227120), (513, 3881040), (515, 3865968), (540, 3686988), (570, 3492936), (618, 3221640), (628, 3170340), (648, 3072490), (684, 2910780), (720, 2765241), (760, 2619702), (785, 2536272), (810, 2457992), (824, 2416230), (855, 2328624), (912, 2183085), (927, 2147760), (942, 2113560), (1026, 1940520), (1030, 1932984), (1080, 1843494), (1140, 1746468), (1236, 1610820), (1256, 1585170), (1296, 1536245), (1368, 1455390), (1413, 1409040), (1520, 1309851), (1539, 1293680), (1545, 1288656), (1570, 1268136), (1620, 1228996), (1648, 1208115), (1710, 1164312), (1854, 1073880), (1884, 1056780), (1957, 1017360), (2052, 970260), (2060, 966492), (2160, 921747), (2280, 873234), (2355, 845424), (2472, 805410), (2512, 792585), (2565, 776208), (2736, 727695), (2781, 715920), (2826, 704520), (2983, 667440), (3078, 646840), (3090, 644328), (3140, 634068), (3240, 614498), (3420, 582156), (3708, 536940), (3768, 528390), (3914, 508680), (4104, 485130), (4120, 483246), (4239, 469680), (4560, 436617), (4635, 429552), (4710, 422712), (4944, 402705), (5130, 388104), (5562, 357960), (5652, 352260), (5871, 339120), (5966, 333720), (6156, 323420), (6180, 322164), (6280, 317034), (6480, 307249), (6840, 291078), (7065, 281808), (7416, 268470), (7536, 264195), (7695, 258736), (7828, 254340), (8208, 242565), (8240, 241623), (8343, 238640), (8478, 234840), (8949, 222480), (9270, 214776), (9420, 211356), (9785, 203472), (10260, 194052), (11124, 178980), (11304, 176130), (11742, 169560), (11932, 166860), (12312, 161710), (12360, 161082), (12560, 158517), (12717, 156560), (13680, 145539), (13905, 143184), (14130, 140904), (14832, 134235), (14915, 133488), (15390, 129368), (15656, 127170), (16171, 123120), (16686, 119320), (16956, 117420), (17613, 113040), (17898, 111240), (18540, 107388), (18840, 105678), (19570, 101736), (20520, 97026), (21195, 93936), (22248, 89490), (22608, 88065), (23484, 84780), (23864, 83430), (24624, 80855), (24720, 80541), (25434, 78280), (26847, 74160), (27810, 71592), (28260, 70452), (29355, 67824), (29830, 66744), (30780, 64684), (31312, 63585), (32342, 61560), (33372, 59660), (33912, 58710), (35226, 56520), (35796, 55620), (37080, 53694), (37680, 52839), (39140, 50868), (41040, 48513), (41715, 47728), (42390, 46968), (44496, 44745)]