263353920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{691}}^1$

素因数の和:1108

約数の個数: 112

約数和(自身を含む): 839467968

約数和(自身を除く): 576114048

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 397, 480, 691, 794, 960, 1191, 1382, 1588, 1985, 2073, 2382, 2764, 3176, 3455, 3970, 4146, 4764, 5528, 5955, 6352, 6910, 7940, 8292, 9528, 10365, 11056, 11910, 12704, 13820, 15880, 16584, 19056, 20730, 22112, 23820, 25408, 27640, 31760, 33168, 38112, 41460, 44224, 47640, 55280, 63520, 66336, 76224, 82920, 95280, 110560, 127040, 132672, 165840, 190560, 221120, 274327, 331680, 381120, 548654, 663360, 822981, 1097308, 1371635, 1645962, 2194616, 2743270, 3291924, 4114905, 4389232, 5486540, 6583848, 8229810, 8778464, 10973080, 13167696, 16459620, 17556928, 21946160, 26335392, 32919240, 43892320, 52670784, 65838480, 87784640, 131676960, 263353920]

約数ペア:

[(1, 263353920), (2, 131676960), (3, 87784640), (4, 65838480), (5, 52670784), (6, 43892320), (8, 32919240), (10, 26335392), (12, 21946160), (15, 17556928), (16, 16459620), (20, 13167696), (24, 10973080), (30, 8778464), (32, 8229810), (40, 6583848), (48, 5486540), (60, 4389232), (64, 4114905), (80, 3291924), (96, 2743270), (120, 2194616), (160, 1645962), (192, 1371635), (240, 1097308), (320, 822981), (397, 663360), (480, 548654), (691, 381120), (794, 331680), (960, 274327), (1191, 221120), (1382, 190560), (1588, 165840), (1985, 132672), (2073, 127040), (2382, 110560), (2764, 95280), (3176, 82920), (3455, 76224), (3970, 66336), (4146, 63520), (4764, 55280), (5528, 47640), (5955, 44224), (6352, 41460), (6910, 38112), (7940, 33168), (8292, 31760), (9528, 27640), (10365, 25408), (11056, 23820), (11910, 22112), (12704, 20730), (13820, 19056), (15880, 16584)]