80515320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{691}}^1\times {\mathrm{971}}^1$

素因数の和:1676

約数の個数: 64

約数和(自身を含む): 242144640

約数和(自身を除く): 161629320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 691, 971, 1382, 1942, 2073, 2764, 2913, 3455, 3884, 4146, 4855, 5528, 5826, 6910, 7768, 8292, 9710, 10365, 11652, 13820, 14565, 16584, 19420, 20730, 23304, 27640, 29130, 38840, 41460, 58260, 82920, 116520, 670961, 1341922, 2012883, 2683844, 3354805, 4025766, 5367688, 6709610, 8051532, 10064415, 13419220, 16103064, 20128830, 26838440, 40257660, 80515320]

約数ペア:

[(1, 80515320), (2, 40257660), (3, 26838440), (4, 20128830), (5, 16103064), (6, 13419220), (8, 10064415), (10, 8051532), (12, 6709610), (15, 5367688), (20, 4025766), (24, 3354805), (30, 2683844), (40, 2012883), (60, 1341922), (120, 670961), (691, 116520), (971, 82920), (1382, 58260), (1942, 41460), (2073, 38840), (2764, 29130), (2913, 27640), (3455, 23304), (3884, 20730), (4146, 19420), (4855, 16584), (5528, 14565), (5826, 13820), (6910, 11652), (7768, 10365), (8292, 9710)]