1999181520

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6959}}^1$

素因数の和:7007

約数の個数: 320

約数和(自身を含む): 8285184000

約数和(自身を除く): 6286002480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 48, 54, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 108, 112, 114, 120, 126, 133, 135, 140, 144, 152, 168, 171, 180, 189, 190, 210, 216, 228, 240, 252, 266, 270, 280, 285, 304, 315, 336, 342, 360, 378, 380, 399, 420, 432, 456, 504, 513, 532, 540, 560, 570, 630, 665, 684, 720, 756, 760, 798, 840, 855, 912, 945, 1008, 1026, 1064, 1080, 1140, 1197, 1260, 1330, 1368, 1512, 1520, 1596, 1680, 1710, 1890, 1995, 2052, 2128, 2160, 2280, 2394, 2520, 2565, 2660, 2736, 3024, 3192, 3420, 3591, 3780, 3990, 4104, 4560, 4788, 5040, 5130, 5320, 5985, 6384, 6840, 6959, 7182, 7560, 7980, 8208, 9576, 10260, 10640, 11970, 13680, 13918, 14364, 15120, 15960, 17955, 19152, 20520, 20877, 23940, 27836, 28728, 31920, 34795, 35910, 41040, 41754, 47880, 48713, 55672, 57456, 62631, 69590, 71820, 83508, 95760, 97426, 104385, 111344, 125262, 132221, 139180, 143640, 146139, 167016, 187893, 194852, 208770, 243565, 250524, 264442, 278360, 287280, 292278, 313155, 334032, 375786, 389704, 396663, 417540, 438417, 487130, 501048, 528884, 556720, 584556, 626310, 661105, 730695, 751572, 779408, 793326, 835080, 876834, 925547, 939465, 974260, 1002096, 1057768, 1169112, 1189989, 1252620, 1315251, 1322210, 1461390, 1503144, 1586652, 1670160, 1753668, 1851094, 1878930, 1948520, 1983315, 2115536, 2192085, 2338224, 2379978, 2505240, 2630502, 2644420, 2776641, 2922780, 3006288, 3173304, 3507336, 3569967, 3702188, 3757860, 3897040, 3966630, 4384170, 4627735, 4759956, 5010480, 5261004, 5288840, 5553282, 5845560, 5949945, 6346608, 6576255, 7014672, 7139934, 7404376, 7515720, 7933260, 8329923, 8768340, 9255470, 9519912, 10522008, 10577680, 11106564, 11691120, 11899890, 13152510, 13883205, 14279868, 14808752, 15031440, 15866520, 16659846, 17536680, 17849835, 18510940, 19039824, 21044016, 22213128, 23799780, 24989769, 26305020, 27766410, 28559736, 31733040, 33319692, 35073360, 35699670, 37021880, 41649615, 44426256, 47599560, 49979538, 52610040, 55532820, 57119472, 66639384, 71399340, 74043760, 83299230, 95199120, 99959076, 105220080, 111065640, 124948845, 133278768, 142798680, 166598460, 199918152, 222131280, 249897690, 285597360, 333196920, 399836304, 499795380, 666393840, 999590760, 1999181520]

約数ペア:

[(1, 1999181520), (2, 999590760), (3, 666393840), (4, 499795380), (5, 399836304), (6, 333196920), (7, 285597360), (8, 249897690), (9, 222131280), (10, 199918152), (12, 166598460), (14, 142798680), (15, 133278768), (16, 124948845), (18, 111065640), (19, 105220080), (20, 99959076), (21, 95199120), (24, 83299230), (27, 74043760), (28, 71399340), (30, 66639384), (35, 57119472), (36, 55532820), (38, 52610040), (40, 49979538), (42, 47599560), (45, 44426256), (48, 41649615), (54, 37021880), (56, 35699670), (57, 35073360), (60, 33319692), (63, 31733040), (70, 28559736), (72, 27766410), (76, 26305020), (80, 24989769), (84, 23799780), (90, 22213128), (95, 21044016), (105, 19039824), (108, 18510940), (112, 17849835), (114, 17536680), (120, 16659846), (126, 15866520), (133, 15031440), (135, 14808752), (140, 14279868), (144, 13883205), (152, 13152510), (168, 11899890), (171, 11691120), (180, 11106564), (189, 10577680), (190, 10522008), (210, 9519912), (216, 9255470), (228, 8768340), (240, 8329923), (252, 7933260), (266, 7515720), (270, 7404376), (280, 7139934), (285, 7014672), (304, 6576255), (315, 6346608), (336, 5949945), (342, 5845560), (360, 5553282), (378, 5288840), (380, 5261004), (399, 5010480), (420, 4759956), (432, 4627735), (456, 4384170), (504, 3966630), (513, 3897040), (532, 3757860), (540, 3702188), (560, 3569967), (570, 3507336), (630, 3173304), (665, 3006288), (684, 2922780), (720, 2776641), (756, 2644420), (760, 2630502), (798, 2505240), (840, 2379978), (855, 2338224), (912, 2192085), (945, 2115536), (1008, 1983315), (1026, 1948520), (1064, 1878930), (1080, 1851094), (1140, 1753668), (1197, 1670160), (1260, 1586652), (1330, 1503144), (1368, 1461390), (1512, 1322210), (1520, 1315251), (1596, 1252620), (1680, 1189989), (1710, 1169112), (1890, 1057768), (1995, 1002096), (2052, 974260), (2128, 939465), (2160, 925547), (2280, 876834), (2394, 835080), (2520, 793326), (2565, 779408), (2660, 751572), (2736, 730695), (3024, 661105), (3192, 626310), (3420, 584556), (3591, 556720), (3780, 528884), (3990, 501048), (4104, 487130), (4560, 438417), (4788, 417540), (5040, 396663), (5130, 389704), (5320, 375786), (5985, 334032), (6384, 313155), (6840, 292278), (6959, 287280), (7182, 278360), (7560, 264442), (7980, 250524), (8208, 243565), (9576, 208770), (10260, 194852), (10640, 187893), (11970, 167016), (13680, 146139), (13918, 143640), (14364, 139180), (15120, 132221), (15960, 125262), (17955, 111344), (19152, 104385), (20520, 97426), (20877, 95760), (23940, 83508), (27836, 71820), (28728, 69590), (31920, 62631), (34795, 57456), (35910, 55672), (41040, 48713), (41754, 47880)]