640385460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8293}}^1$

素因数の和:8335

約数の個数: 192

約数和(自身を含む): 2340898560

約数和(自身を除く): 1700513100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 27, 30, 33, 36, 39, 44, 45, 52, 54, 55, 60, 65, 66, 78, 90, 99, 108, 110, 117, 130, 132, 135, 143, 156, 165, 180, 195, 198, 220, 234, 260, 270, 286, 297, 330, 351, 390, 396, 429, 468, 495, 540, 572, 585, 594, 660, 702, 715, 780, 858, 990, 1170, 1188, 1287, 1404, 1430, 1485, 1716, 1755, 1980, 2145, 2340, 2574, 2860, 2970, 3510, 3861, 4290, 5148, 5940, 6435, 7020, 7722, 8293, 8580, 12870, 15444, 16586, 19305, 24879, 25740, 33172, 38610, 41465, 49758, 74637, 77220, 82930, 91223, 99516, 107809, 124395, 149274, 165860, 182446, 215618, 223911, 248790, 273669, 298548, 323427, 364892, 373185, 431236, 447822, 456115, 497580, 539045, 547338, 646854, 746370, 821007, 895644, 912230, 970281, 1078090, 1094676, 1119555, 1185899, 1293708, 1368345, 1492740, 1617135, 1642014, 1824460, 1940562, 2156180, 2239110, 2371798, 2463021, 2736690, 2910843, 3234270, 3284028, 3557697, 3881124, 4105035, 4478220, 4743596, 4851405, 4926042, 5473380, 5821686, 5929495, 6468540, 7115394, 8210070, 9702810, 9852084, 10673091, 11643372, 11858990, 12315105, 14230788, 14554215, 16420140, 17788485, 19405620, 21346182, 23717980, 24630210, 29108430, 32019273, 35576970, 42692364, 49260420, 53365455, 58216860, 64038546, 71153940, 106730910, 128077092, 160096365, 213461820, 320192730, 640385460]

約数ペア:

[(1, 640385460), (2, 320192730), (3, 213461820), (4, 160096365), (5, 128077092), (6, 106730910), (9, 71153940), (10, 64038546), (11, 58216860), (12, 53365455), (13, 49260420), (15, 42692364), (18, 35576970), (20, 32019273), (22, 29108430), (26, 24630210), (27, 23717980), (30, 21346182), (33, 19405620), (36, 17788485), (39, 16420140), (44, 14554215), (45, 14230788), (52, 12315105), (54, 11858990), (55, 11643372), (60, 10673091), (65, 9852084), (66, 9702810), (78, 8210070), (90, 7115394), (99, 6468540), (108, 5929495), (110, 5821686), (117, 5473380), (130, 4926042), (132, 4851405), (135, 4743596), (143, 4478220), (156, 4105035), (165, 3881124), (180, 3557697), (195, 3284028), (198, 3234270), (220, 2910843), (234, 2736690), (260, 2463021), (270, 2371798), (286, 2239110), (297, 2156180), (330, 1940562), (351, 1824460), (390, 1642014), (396, 1617135), (429, 1492740), (468, 1368345), (495, 1293708), (540, 1185899), (572, 1119555), (585, 1094676), (594, 1078090), (660, 970281), (702, 912230), (715, 895644), (780, 821007), (858, 746370), (990, 646854), (1170, 547338), (1188, 539045), (1287, 497580), (1404, 456115), (1430, 447822), (1485, 431236), (1716, 373185), (1755, 364892), (1980, 323427), (2145, 298548), (2340, 273669), (2574, 248790), (2860, 223911), (2970, 215618), (3510, 182446), (3861, 165860), (4290, 149274), (5148, 124395), (5940, 107809), (6435, 99516), (7020, 91223), (7722, 82930), (8293, 77220), (8580, 74637), (12870, 49758), (15444, 41465), (16586, 38610), (19305, 33172), (24879, 25740)]