640693368

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{13669}}^1$

素因数の和:13722

約数の個数: 128

約数和(自身を含む): 2099712000

約数和(自身を除く): 1459018632

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 31, 36, 42, 54, 56, 62, 63, 72, 84, 93, 108, 124, 126, 168, 186, 189, 216, 217, 248, 252, 279, 372, 378, 434, 504, 558, 651, 744, 756, 837, 868, 1116, 1302, 1512, 1674, 1736, 1953, 2232, 2604, 3348, 3906, 5208, 5859, 6696, 7812, 11718, 13669, 15624, 23436, 27338, 41007, 46872, 54676, 82014, 95683, 109352, 123021, 164028, 191366, 246042, 287049, 328056, 369063, 382732, 423739, 492084, 574098, 738126, 765464, 847478, 861147, 984168, 1148196, 1271217, 1476252, 1694956, 1722294, 2296392, 2542434, 2583441, 2952504, 2966173, 3389912, 3444588, 3813651, 5084868, 5166882, 5932346, 6889176, 7627302, 8898519, 10169736, 10333764, 11440953, 11864692, 15254604, 17797038, 20667528, 22881906, 23729384, 26695557, 30509208, 35594076, 45763812, 53391114, 71188152, 80086671, 91527624, 106782228, 160173342, 213564456, 320346684, 640693368]

約数ペア:

[(1, 640693368), (2, 320346684), (3, 213564456), (4, 160173342), (6, 106782228), (7, 91527624), (8, 80086671), (9, 71188152), (12, 53391114), (14, 45763812), (18, 35594076), (21, 30509208), (24, 26695557), (27, 23729384), (28, 22881906), (31, 20667528), (36, 17797038), (42, 15254604), (54, 11864692), (56, 11440953), (62, 10333764), (63, 10169736), (72, 8898519), (84, 7627302), (93, 6889176), (108, 5932346), (124, 5166882), (126, 5084868), (168, 3813651), (186, 3444588), (189, 3389912), (216, 2966173), (217, 2952504), (248, 2583441), (252, 2542434), (279, 2296392), (372, 1722294), (378, 1694956), (434, 1476252), (504, 1271217), (558, 1148196), (651, 984168), (744, 861147), (756, 847478), (837, 765464), (868, 738126), (1116, 574098), (1302, 492084), (1512, 423739), (1674, 382732), (1736, 369063), (1953, 328056), (2232, 287049), (2604, 246042), (3348, 191366), (3906, 164028), (5208, 123021), (5859, 109352), (6696, 95683), (7812, 82014), (11718, 54676), (13669, 46872), (15624, 41007), (23436, 27338)]