615538760

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{1123}}^1$

素因数の和:1398

約数の個数: 64

約数和(自身を含む): 1413002880

約数和(自身を除く): 797464120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 193, 284, 355, 386, 568, 710, 772, 965, 1123, 1420, 1544, 1930, 2246, 2840, 3860, 4492, 5615, 7720, 8984, 11230, 13703, 22460, 27406, 44920, 54812, 68515, 79733, 109624, 137030, 159466, 216739, 274060, 318932, 398665, 433478, 548120, 637864, 797330, 866956, 1083695, 1594660, 1733912, 2167390, 3189320, 4334780, 8669560, 15388469, 30776938, 61553876, 76942345, 123107752, 153884690, 307769380, 615538760]

約数ペア:

[(1, 615538760), (2, 307769380), (4, 153884690), (5, 123107752), (8, 76942345), (10, 61553876), (20, 30776938), (40, 15388469), (71, 8669560), (142, 4334780), (193, 3189320), (284, 2167390), (355, 1733912), (386, 1594660), (568, 1083695), (710, 866956), (772, 797330), (965, 637864), (1123, 548120), (1420, 433478), (1544, 398665), (1930, 318932), (2246, 274060), (2840, 216739), (3860, 159466), (4492, 137030), (5615, 109624), (7720, 79733), (8984, 68515), (11230, 54812), (13703, 44920), (22460, 27406)]