257366940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{80933}}^1$

素因数の和:80998

約数の個数: 48

約数和(自身を含む): 734233248

約数和(自身を除く): 476866308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 530, 636, 795, 1060, 1590, 3180, 80933, 161866, 242799, 323732, 404665, 485598, 809330, 971196, 1213995, 1618660, 2427990, 4289449, 4855980, 8578898, 12868347, 17157796, 21447245, 25736694, 42894490, 51473388, 64341735, 85788980, 128683470, 257366940]

約数ペア:

[(1, 257366940), (2, 128683470), (3, 85788980), (4, 64341735), (5, 51473388), (6, 42894490), (10, 25736694), (12, 21447245), (15, 17157796), (20, 12868347), (30, 8578898), (53, 4855980), (60, 4289449), (106, 2427990), (159, 1618660), (212, 1213995), (265, 971196), (318, 809330), (530, 485598), (636, 404665), (795, 323732), (1060, 242799), (1590, 161866), (3180, 80933)]