290301960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2621}}^1$

素因数の和:2719

約数の個数: 128

約数和(自身を含む): 951471360

約数和(自身を除く): 661169400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 71, 78, 104, 120, 130, 142, 156, 195, 213, 260, 284, 312, 355, 390, 426, 520, 568, 710, 780, 852, 923, 1065, 1420, 1560, 1704, 1846, 2130, 2621, 2769, 2840, 3692, 4260, 4615, 5242, 5538, 7384, 7863, 8520, 9230, 10484, 11076, 13105, 13845, 15726, 18460, 20968, 22152, 26210, 27690, 31452, 34073, 36920, 39315, 52420, 55380, 62904, 68146, 78630, 102219, 104840, 110760, 136292, 157260, 170365, 186091, 204438, 272584, 314520, 340730, 372182, 408876, 511095, 558273, 681460, 744364, 817752, 930455, 1022190, 1116546, 1362920, 1488728, 1860910, 2044380, 2233092, 2419183, 2791365, 3721820, 4088760, 4466184, 4838366, 5582730, 7257549, 7443640, 9676732, 11165460, 12095915, 14515098, 19353464, 22330920, 24191830, 29030196, 36287745, 48383660, 58060392, 72575490, 96767320, 145150980, 290301960]

約数ペア:

[(1, 290301960), (2, 145150980), (3, 96767320), (4, 72575490), (5, 58060392), (6, 48383660), (8, 36287745), (10, 29030196), (12, 24191830), (13, 22330920), (15, 19353464), (20, 14515098), (24, 12095915), (26, 11165460), (30, 9676732), (39, 7443640), (40, 7257549), (52, 5582730), (60, 4838366), (65, 4466184), (71, 4088760), (78, 3721820), (104, 2791365), (120, 2419183), (130, 2233092), (142, 2044380), (156, 1860910), (195, 1488728), (213, 1362920), (260, 1116546), (284, 1022190), (312, 930455), (355, 817752), (390, 744364), (426, 681460), (520, 558273), (568, 511095), (710, 408876), (780, 372182), (852, 340730), (923, 314520), (1065, 272584), (1420, 204438), (1560, 186091), (1704, 170365), (1846, 157260), (2130, 136292), (2621, 110760), (2769, 104840), (2840, 102219), (3692, 78630), (4260, 68146), (4615, 62904), (5242, 55380), (5538, 52420), (7384, 39315), (7863, 36920), (8520, 34073), (9230, 31452), (10484, 27690), (11076, 26210), (13105, 22152), (13845, 20968), (15726, 18460)]