81877680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{113719}}^1$

素因数の和:113738

約数の個数: 60

約数和(自身を含む): 274974960

約数和(自身を除く): 193097280

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, 113719, 227438, 341157, 454876, 568595, 682314, 909752, 1023471, 1137190, 1364628, 1705785, 1819504, 2046942, 2274380, 2729256, 3411570, 4093884, 4548760, 5117355, 5458512, 6823140, 8187768, 9097520, 10234710, 13646280, 16375536, 20469420, 27292560, 40938840, 81877680]

約数ペア:

[(1, 81877680), (2, 40938840), (3, 27292560), (4, 20469420), (5, 16375536), (6, 13646280), (8, 10234710), (9, 9097520), (10, 8187768), (12, 6823140), (15, 5458512), (16, 5117355), (18, 4548760), (20, 4093884), (24, 3411570), (30, 2729256), (36, 2274380), (40, 2046942), (45, 1819504), (48, 1705785), (60, 1364628), (72, 1137190), (80, 1023471), (90, 909752), (120, 682314), (144, 568595), (180, 454876), (240, 341157), (360, 227438), (720, 113719)]