172242420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{1033}}^1$

素因数の和:1449

約数の個数: 96

約数和(自身を含む): 553099008

約数和(自身を除く): 380856588

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 397, 420, 794, 1033, 1191, 1588, 1985, 2066, 2382, 2779, 3099, 3970, 4132, 4764, 5165, 5558, 5955, 6198, 7231, 7940, 8337, 10330, 11116, 11910, 12396, 13895, 14462, 15495, 16674, 20660, 21693, 23820, 27790, 28924, 30990, 33348, 36155, 41685, 43386, 55580, 61980, 72310, 83370, 86772, 108465, 144620, 166740, 216930, 410101, 433860, 820202, 1230303, 1640404, 2050505, 2460606, 2870707, 4101010, 4921212, 5741414, 6151515, 8202020, 8612121, 11482828, 12303030, 14353535, 17224242, 24606060, 28707070, 34448484, 43060605, 57414140, 86121210, 172242420]

約数ペア:

[(1, 172242420), (2, 86121210), (3, 57414140), (4, 43060605), (5, 34448484), (6, 28707070), (7, 24606060), (10, 17224242), (12, 14353535), (14, 12303030), (15, 11482828), (20, 8612121), (21, 8202020), (28, 6151515), (30, 5741414), (35, 4921212), (42, 4101010), (60, 2870707), (70, 2460606), (84, 2050505), (105, 1640404), (140, 1230303), (210, 820202), (397, 433860), (420, 410101), (794, 216930), (1033, 166740), (1191, 144620), (1588, 108465), (1985, 86772), (2066, 83370), (2382, 72310), (2779, 61980), (3099, 55580), (3970, 43386), (4132, 41685), (4764, 36155), (5165, 33348), (5558, 30990), (5955, 28924), (6198, 27790), (7231, 23820), (7940, 21693), (8337, 20660), (10330, 16674), (11116, 15495), (11910, 14462), (12396, 13895)]