123970320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{172181}}^1$

素因数の和:172200

約数の個数: 60

約数和(自身を含む): 416336076

約数和(自身を除く): 292365756

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 172181, 344362, 516543, 688724, 860905, 1033086, 1377448, 1549629, 1721810, 2066172, 2582715, 2754896, 3099258, 3443620, 4132344, 5165430, 6198516, 6887240, 7748145, 8264688, 10330860, 12397032, 13774480, 15496290, 20661720, 24794064, 30992580, 41323440, 61985160, 123970320]

約数ペア:

[(1, 123970320), (2, 61985160), (3, 41323440), (4, 30992580), (5, 24794064), (6, 20661720), (8, 15496290), (9, 13774480), (10, 12397032), (12, 10330860), (15, 8264688), (16, 7748145), (18, 6887240), (20, 6198516), (24, 5165430), (30, 4132344), (36, 3443620), (40, 3099258), (45, 2754896), (48, 2582715), (60, 2066172), (72, 1721810), (80, 1549629), (90, 1377448), (120, 1033086), (144, 860905), (180, 688724), (240, 516543), (360, 344362), (720, 172181)]