1640355080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{14537}}^1$

素因数の和:14599

約数の個数: 128

約数和(自身を含む): 4689377280

約数和(自身を除く): 3049022200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1612, 1736, 1820, 2015, 2170, 2821, 3224, 3640, 4030, 4340, 5642, 8060, 8680, 11284, 14105, 14537, 16120, 22568, 28210, 29074, 56420, 58148, 72685, 101759, 112840, 116296, 145370, 188981, 203518, 290740, 377962, 407036, 450647, 508795, 581480, 755924, 814072, 901294, 944905, 1017590, 1322867, 1511848, 1802588, 1889810, 2035180, 2253235, 2645734, 3154529, 3605176, 3779620, 4070360, 4506470, 5291468, 5858411, 6309058, 6614335, 7559240, 9012940, 10582936, 11716822, 12618116, 13228670, 15772645, 18025880, 23433644, 25236232, 26457340, 29292055, 31545290, 41008877, 46867288, 52914680, 58584110, 63090580, 82017754, 117168220, 126181160, 164035508, 205044385, 234336440, 328071016, 410088770, 820177540, 1640355080]

約数ペア:

[(1, 1640355080), (2, 820177540), (4, 410088770), (5, 328071016), (7, 234336440), (8, 205044385), (10, 164035508), (13, 126181160), (14, 117168220), (20, 82017754), (26, 63090580), (28, 58584110), (31, 52914680), (35, 46867288), (40, 41008877), (52, 31545290), (56, 29292055), (62, 26457340), (65, 25236232), (70, 23433644), (91, 18025880), (104, 15772645), (124, 13228670), (130, 12618116), (140, 11716822), (155, 10582936), (182, 9012940), (217, 7559240), (248, 6614335), (260, 6309058), (280, 5858411), (310, 5291468), (364, 4506470), (403, 4070360), (434, 3779620), (455, 3605176), (520, 3154529), (620, 2645734), (728, 2253235), (806, 2035180), (868, 1889810), (910, 1802588), (1085, 1511848), (1240, 1322867), (1612, 1017590), (1736, 944905), (1820, 901294), (2015, 814072), (2170, 755924), (2821, 581480), (3224, 508795), (3640, 450647), (4030, 407036), (4340, 377962), (5642, 290740), (8060, 203518), (8680, 188981), (11284, 145370), (14105, 116296), (14537, 112840), (16120, 101759), (22568, 72685), (28210, 58148), (29074, 56420)]