305697840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:260

約数の個数: 320

約数和(自身を含む): 1166115840

約数和(自身を除く): 860418000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 56, 57, 60, 61, 70, 76, 80, 84, 95, 105, 112, 114, 120, 122, 133, 140, 152, 157, 168, 183, 190, 210, 228, 240, 244, 266, 280, 285, 304, 305, 314, 336, 366, 380, 399, 420, 427, 456, 471, 488, 532, 560, 570, 610, 628, 665, 732, 760, 785, 798, 840, 854, 912, 915, 942, 976, 1064, 1099, 1140, 1159, 1220, 1256, 1281, 1330, 1464, 1520, 1570, 1596, 1680, 1708, 1830, 1884, 1995, 2128, 2135, 2198, 2280, 2318, 2355, 2440, 2512, 2562, 2660, 2928, 2983, 3140, 3192, 3297, 3416, 3477, 3660, 3768, 3990, 4270, 4396, 4560, 4636, 4710, 4880, 5124, 5320, 5495, 5795, 5966, 6280, 6384, 6405, 6594, 6832, 6954, 7320, 7536, 7980, 8113, 8540, 8792, 8949, 9272, 9420, 9577, 10248, 10640, 10990, 11590, 11932, 12560, 12810, 13188, 13908, 14640, 14915, 15960, 16226, 16485, 17080, 17385, 17584, 17898, 18544, 18840, 19154, 20496, 20881, 21980, 23180, 23864, 24339, 25620, 26376, 27816, 28731, 29830, 31920, 32452, 32970, 34160, 34770, 35796, 37680, 38308, 40565, 41762, 43960, 44745, 46360, 47728, 47885, 48678, 51240, 52752, 55632, 57462, 59660, 62643, 64904, 65940, 67039, 69540, 71592, 76616, 81130, 83524, 87920, 89490, 92720, 95770, 97356, 102480, 104405, 114924, 119320, 121695, 125286, 129808, 131880, 134078, 139080, 143184, 143655, 153232, 162260, 167048, 178980, 181963, 191540, 194712, 201117, 208810, 229848, 238640, 243390, 250572, 263760, 268156, 278160, 287310, 313215, 324520, 334096, 335195, 357960, 363926, 383080, 389424, 402234, 417620, 459696, 486780, 501144, 536312, 545889, 574620, 626430, 649040, 670390, 715920, 727852, 766160, 804468, 835240, 909815, 973560, 1002288, 1005585, 1072624, 1091778, 1149240, 1252860, 1273741, 1340780, 1455704, 1608936, 1670480, 1819630, 1947120, 2011170, 2183556, 2298480, 2505720, 2547482, 2681560, 2729445, 2911408, 3217872, 3639260, 3821223, 4022340, 4367112, 5011440, 5094964, 5363120, 5458890, 6368705, 7278520, 7642446, 8044680, 8734224, 10189928, 10917780, 12737410, 14557040, 15284892, 16089360, 19106115, 20379856, 21835560, 25474820, 30569784, 38212230, 43671120, 50949640, 61139568, 76424460, 101899280, 152848920, 305697840]

約数ペア:

[(1, 305697840), (2, 152848920), (3, 101899280), (4, 76424460), (5, 61139568), (6, 50949640), (7, 43671120), (8, 38212230), (10, 30569784), (12, 25474820), (14, 21835560), (15, 20379856), (16, 19106115), (19, 16089360), (20, 15284892), (21, 14557040), (24, 12737410), (28, 10917780), (30, 10189928), (35, 8734224), (38, 8044680), (40, 7642446), (42, 7278520), (48, 6368705), (56, 5458890), (57, 5363120), (60, 5094964), (61, 5011440), (70, 4367112), (76, 4022340), (80, 3821223), (84, 3639260), (95, 3217872), (105, 2911408), (112, 2729445), (114, 2681560), (120, 2547482), (122, 2505720), (133, 2298480), (140, 2183556), (152, 2011170), (157, 1947120), (168, 1819630), (183, 1670480), (190, 1608936), (210, 1455704), (228, 1340780), (240, 1273741), (244, 1252860), (266, 1149240), (280, 1091778), (285, 1072624), (304, 1005585), (305, 1002288), (314, 973560), (336, 909815), (366, 835240), (380, 804468), (399, 766160), (420, 727852), (427, 715920), (456, 670390), (471, 649040), (488, 626430), (532, 574620), (560, 545889), (570, 536312), (610, 501144), (628, 486780), (665, 459696), (732, 417620), (760, 402234), (785, 389424), (798, 383080), (840, 363926), (854, 357960), (912, 335195), (915, 334096), (942, 324520), (976, 313215), (1064, 287310), (1099, 278160), (1140, 268156), (1159, 263760), (1220, 250572), (1256, 243390), (1281, 238640), (1330, 229848), (1464, 208810), (1520, 201117), (1570, 194712), (1596, 191540), (1680, 181963), (1708, 178980), (1830, 167048), (1884, 162260), (1995, 153232), (2128, 143655), (2135, 143184), (2198, 139080), (2280, 134078), (2318, 131880), (2355, 129808), (2440, 125286), (2512, 121695), (2562, 119320), (2660, 114924), (2928, 104405), (2983, 102480), (3140, 97356), (3192, 95770), (3297, 92720), (3416, 89490), (3477, 87920), (3660, 83524), (3768, 81130), (3990, 76616), (4270, 71592), (4396, 69540), (4560, 67039), (4636, 65940), (4710, 64904), (4880, 62643), (5124, 59660), (5320, 57462), (5495, 55632), (5795, 52752), (5966, 51240), (6280, 48678), (6384, 47885), (6405, 47728), (6594, 46360), (6832, 44745), (6954, 43960), (7320, 41762), (7536, 40565), (7980, 38308), (8113, 37680), (8540, 35796), (8792, 34770), (8949, 34160), (9272, 32970), (9420, 32452), (9577, 31920), (10248, 29830), (10640, 28731), (10990, 27816), (11590, 26376), (11932, 25620), (12560, 24339), (12810, 23864), (13188, 23180), (13908, 21980), (14640, 20881), (14915, 20496), (15960, 19154), (16226, 18840), (16485, 18544), (17080, 17898), (17385, 17584)]