2520002680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{6221}}^1$

素因数の和:6305

約数の個数: 128

約数和(自身を含む): 6585364800

約数和(自身を除く): 4065362120

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 41, 52, 65, 76, 82, 95, 104, 130, 152, 164, 190, 205, 247, 260, 328, 380, 410, 494, 520, 533, 760, 779, 820, 988, 1066, 1235, 1558, 1640, 1976, 2132, 2470, 2665, 3116, 3895, 4264, 4940, 5330, 6221, 6232, 7790, 9880, 10127, 10660, 12442, 15580, 20254, 21320, 24884, 31105, 31160, 40508, 49768, 50635, 62210, 80873, 81016, 101270, 118199, 124420, 161746, 202540, 236398, 248840, 255061, 323492, 404365, 405080, 472796, 510122, 590995, 646984, 808730, 945592, 1020244, 1181990, 1275305, 1536587, 1617460, 2040488, 2363980, 2550610, 3073174, 3234920, 3315793, 4727960, 4846159, 5101220, 6146348, 6631586, 7682935, 9692318, 10202440, 12292696, 13263172, 15365870, 16578965, 19384636, 24230795, 26526344, 30731740, 33157930, 38769272, 48461590, 61463480, 63000067, 66315860, 96923180, 126000134, 132631720, 193846360, 252000268, 315000335, 504000536, 630000670, 1260001340, 2520002680]

約数ペア:

[(1, 2520002680), (2, 1260001340), (4, 630000670), (5, 504000536), (8, 315000335), (10, 252000268), (13, 193846360), (19, 132631720), (20, 126000134), (26, 96923180), (38, 66315860), (40, 63000067), (41, 61463480), (52, 48461590), (65, 38769272), (76, 33157930), (82, 30731740), (95, 26526344), (104, 24230795), (130, 19384636), (152, 16578965), (164, 15365870), (190, 13263172), (205, 12292696), (247, 10202440), (260, 9692318), (328, 7682935), (380, 6631586), (410, 6146348), (494, 5101220), (520, 4846159), (533, 4727960), (760, 3315793), (779, 3234920), (820, 3073174), (988, 2550610), (1066, 2363980), (1235, 2040488), (1558, 1617460), (1640, 1536587), (1976, 1275305), (2132, 1181990), (2470, 1020244), (2665, 945592), (3116, 808730), (3895, 646984), (4264, 590995), (4940, 510122), (5330, 472796), (6221, 405080), (6232, 404365), (7790, 323492), (9880, 255061), (10127, 248840), (10660, 236398), (12442, 202540), (15580, 161746), (20254, 124420), (21320, 118199), (24884, 101270), (31105, 81016), (31160, 80873), (40508, 62210), (49768, 50635)]