647555220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2179}}^1$

素因数の和:2334

約数の個数: 144

約数和(自身を含む): 2132981760

約数和(自身を除く): 1485426540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 127, 130, 156, 180, 195, 234, 254, 260, 381, 390, 468, 508, 585, 635, 762, 780, 1143, 1170, 1270, 1524, 1651, 1905, 2179, 2286, 2340, 2540, 3302, 3810, 4358, 4572, 4953, 5715, 6537, 6604, 7620, 8255, 8716, 9906, 10895, 11430, 13074, 14859, 16510, 19611, 19812, 21790, 22860, 24765, 26148, 28327, 29718, 32685, 33020, 39222, 43580, 49530, 56654, 59436, 65370, 74295, 78444, 84981, 98055, 99060, 113308, 130740, 141635, 148590, 169962, 196110, 254943, 276733, 283270, 297180, 339924, 392220, 424905, 509886, 553466, 566540, 830199, 849810, 1019772, 1106932, 1274715, 1383665, 1660398, 1699620, 2490597, 2549430, 2767330, 3320796, 3597529, 4150995, 4981194, 5098860, 5534660, 7195058, 8301990, 9962388, 10792587, 12452985, 14390116, 16603980, 17987645, 21585174, 24905970, 32377761, 35975290, 43170348, 49811940, 53962935, 64755522, 71950580, 107925870, 129511044, 161888805, 215851740, 323777610, 647555220]

約数ペア:

[(1, 647555220), (2, 323777610), (3, 215851740), (4, 161888805), (5, 129511044), (6, 107925870), (9, 71950580), (10, 64755522), (12, 53962935), (13, 49811940), (15, 43170348), (18, 35975290), (20, 32377761), (26, 24905970), (30, 21585174), (36, 17987645), (39, 16603980), (45, 14390116), (52, 12452985), (60, 10792587), (65, 9962388), (78, 8301990), (90, 7195058), (117, 5534660), (127, 5098860), (130, 4981194), (156, 4150995), (180, 3597529), (195, 3320796), (234, 2767330), (254, 2549430), (260, 2490597), (381, 1699620), (390, 1660398), (468, 1383665), (508, 1274715), (585, 1106932), (635, 1019772), (762, 849810), (780, 830199), (1143, 566540), (1170, 553466), (1270, 509886), (1524, 424905), (1651, 392220), (1905, 339924), (2179, 297180), (2286, 283270), (2340, 276733), (2540, 254943), (3302, 196110), (3810, 169962), (4358, 148590), (4572, 141635), (4953, 130740), (5715, 113308), (6537, 99060), (6604, 98055), (7620, 84981), (8255, 78444), (8716, 74295), (9906, 65370), (10895, 59436), (11430, 56654), (13074, 49530), (14859, 43580), (16510, 39222), (19611, 33020), (19812, 32685), (21790, 29718), (22860, 28327), (24765, 26148)]