242163960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:789

約数の個数: 128

約数和(自身を含む): 754997760

約数和(自身を除く): 512833800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 71, 86, 120, 129, 142, 172, 213, 215, 258, 284, 344, 355, 426, 430, 516, 568, 645, 661, 710, 852, 860, 1032, 1065, 1290, 1322, 1420, 1704, 1720, 1983, 2130, 2580, 2644, 2840, 3053, 3305, 3966, 4260, 5160, 5288, 6106, 6610, 7932, 8520, 9159, 9915, 12212, 13220, 15265, 15864, 18318, 19830, 24424, 26440, 28423, 30530, 36636, 39660, 45795, 46931, 56846, 61060, 73272, 79320, 85269, 91590, 93862, 113692, 122120, 140793, 142115, 170538, 183180, 187724, 227384, 234655, 281586, 284230, 341076, 366360, 375448, 426345, 469310, 563172, 568460, 682152, 703965, 852690, 938620, 1126344, 1136920, 1407930, 1705380, 1877240, 2018033, 2815860, 3410760, 4036066, 5631720, 6054099, 8072132, 10090165, 12108198, 16144264, 20180330, 24216396, 30270495, 40360660, 48432792, 60540990, 80721320, 121081980, 242163960]

約数ペア:

[(1, 242163960), (2, 121081980), (3, 80721320), (4, 60540990), (5, 48432792), (6, 40360660), (8, 30270495), (10, 24216396), (12, 20180330), (15, 16144264), (20, 12108198), (24, 10090165), (30, 8072132), (40, 6054099), (43, 5631720), (60, 4036066), (71, 3410760), (86, 2815860), (120, 2018033), (129, 1877240), (142, 1705380), (172, 1407930), (213, 1136920), (215, 1126344), (258, 938620), (284, 852690), (344, 703965), (355, 682152), (426, 568460), (430, 563172), (516, 469310), (568, 426345), (645, 375448), (661, 366360), (710, 341076), (852, 284230), (860, 281586), (1032, 234655), (1065, 227384), (1290, 187724), (1322, 183180), (1420, 170538), (1704, 142115), (1720, 140793), (1983, 122120), (2130, 113692), (2580, 93862), (2644, 91590), (2840, 85269), (3053, 79320), (3305, 73272), (3966, 61060), (4260, 56846), (5160, 46931), (5288, 45795), (6106, 39660), (6610, 36636), (7932, 30530), (8520, 28423), (9159, 26440), (9915, 24424), (12212, 19830), (13220, 18318), (15265, 15864)]