81999480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{12893}}^1$

素因数の和:12960

約数の個数: 64

約数和(自身を含む): 250659360

約数和(自身を除く): 168659880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 120, 159, 212, 265, 318, 424, 530, 636, 795, 1060, 1272, 1590, 2120, 3180, 6360, 12893, 25786, 38679, 51572, 64465, 77358, 103144, 128930, 154716, 193395, 257860, 309432, 386790, 515720, 683329, 773580, 1366658, 1547160, 2049987, 2733316, 3416645, 4099974, 5466632, 6833290, 8199948, 10249935, 13666580, 16399896, 20499870, 27333160, 40999740, 81999480]

約数ペア:

[(1, 81999480), (2, 40999740), (3, 27333160), (4, 20499870), (5, 16399896), (6, 13666580), (8, 10249935), (10, 8199948), (12, 6833290), (15, 5466632), (20, 4099974), (24, 3416645), (30, 2733316), (40, 2049987), (53, 1547160), (60, 1366658), (106, 773580), (120, 683329), (159, 515720), (212, 386790), (265, 309432), (318, 257860), (424, 193395), (530, 154716), (636, 128930), (795, 103144), (1060, 77358), (1272, 64465), (1590, 51572), (2120, 38679), (3180, 25786), (6360, 12893)]