123883290

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19949}}^1$

素因数の和:19988

約数の個数: 64

約数和(自身を含む): 344736000

約数和(自身を除く): 220852710

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 90, 115, 135, 138, 207, 230, 270, 345, 414, 621, 690, 1035, 1242, 2070, 3105, 6210, 19949, 39898, 59847, 99745, 119694, 179541, 199490, 299235, 359082, 458827, 538623, 598470, 897705, 917654, 1077246, 1376481, 1795410, 2294135, 2693115, 2752962, 4129443, 4588270, 5386230, 6882405, 8258886, 12388329, 13764810, 20647215, 24776658, 41294430, 61941645, 123883290]

約数ペア:

[(1, 123883290), (2, 61941645), (3, 41294430), (5, 24776658), (6, 20647215), (9, 13764810), (10, 12388329), (15, 8258886), (18, 6882405), (23, 5386230), (27, 4588270), (30, 4129443), (45, 2752962), (46, 2693115), (54, 2294135), (69, 1795410), (90, 1376481), (115, 1077246), (135, 917654), (138, 897705), (207, 598470), (230, 538623), (270, 458827), (345, 359082), (414, 299235), (621, 199490), (690, 179541), (1035, 119694), (1242, 99745), (2070, 59847), (3105, 39898), (6210, 19949)]