18990480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1181}}^1$

素因数の和:1264

約数の個数: 80

約数和(自身を含む): 59799744

約数和(自身を除く): 40809264

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 67, 80, 120, 134, 201, 240, 268, 335, 402, 536, 670, 804, 1005, 1072, 1181, 1340, 1608, 2010, 2362, 2680, 3216, 3543, 4020, 4724, 5360, 5905, 7086, 8040, 9448, 11810, 14172, 16080, 17715, 18896, 23620, 28344, 35430, 47240, 56688, 70860, 79127, 94480, 141720, 158254, 237381, 283440, 316508, 395635, 474762, 633016, 791270, 949524, 1186905, 1266032, 1582540, 1899048, 2373810, 3165080, 3798096, 4747620, 6330160, 9495240, 18990480]

約数ペア:

[(1, 18990480), (2, 9495240), (3, 6330160), (4, 4747620), (5, 3798096), (6, 3165080), (8, 2373810), (10, 1899048), (12, 1582540), (15, 1266032), (16, 1186905), (20, 949524), (24, 791270), (30, 633016), (40, 474762), (48, 395635), (60, 316508), (67, 283440), (80, 237381), (120, 158254), (134, 141720), (201, 94480), (240, 79127), (268, 70860), (335, 56688), (402, 47240), (536, 35430), (670, 28344), (804, 23620), (1005, 18896), (1072, 17715), (1181, 16080), (1340, 14172), (1608, 11810), (2010, 9448), (2362, 8040), (2680, 7086), (3216, 5905), (3543, 5360), (4020, 4724)]