30161360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19843}}^1$

素因数の和:19875

約数の個数: 40

約数和(自身を含む): 73819680

約数和(自身を除く): 43658320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 19843, 39686, 79372, 99215, 158744, 198430, 317488, 377017, 396860, 754034, 793720, 1508068, 1587440, 1885085, 3016136, 3770170, 6032272, 7540340, 15080680, 30161360]

約数ペア:

[(1, 30161360), (2, 15080680), (4, 7540340), (5, 6032272), (8, 3770170), (10, 3016136), (16, 1885085), (19, 1587440), (20, 1508068), (38, 793720), (40, 754034), (76, 396860), (80, 377017), (95, 317488), (152, 198430), (190, 158744), (304, 99215), (380, 79372), (760, 39686), (1520, 19843)]