18161520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5821}}^1$

素因数の和:5850

約数の個数: 80

約数和(自身を含む): 60641952

約数和(自身を除く): 42480432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 5821, 11642, 17463, 23284, 29105, 34926, 46568, 58210, 69852, 75673, 87315, 93136, 116420, 139704, 151346, 174630, 227019, 232840, 279408, 302692, 349260, 378365, 454038, 465680, 605384, 698520, 756730, 908076, 1135095, 1210768, 1397040, 1513460, 1816152, 2270190, 3026920, 3632304, 4540380, 6053840, 9080760, 18161520]

約数ペア:

[(1, 18161520), (2, 9080760), (3, 6053840), (4, 4540380), (5, 3632304), (6, 3026920), (8, 2270190), (10, 1816152), (12, 1513460), (13, 1397040), (15, 1210768), (16, 1135095), (20, 908076), (24, 756730), (26, 698520), (30, 605384), (39, 465680), (40, 454038), (48, 378365), (52, 349260), (60, 302692), (65, 279408), (78, 232840), (80, 227019), (104, 174630), (120, 151346), (130, 139704), (156, 116420), (195, 93136), (208, 87315), (240, 75673), (260, 69852), (312, 58210), (390, 46568), (520, 34926), (624, 29105), (780, 23284), (1040, 17463), (1560, 11642), (3120, 5821)]