78049320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20981}}^1$

素因数の和:21026

約数の個数: 64

約数和(自身を含む): 241712640

約数和(自身を除く): 163663320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 20981, 41962, 62943, 83924, 104905, 125886, 167848, 209810, 251772, 314715, 419620, 503544, 629430, 650411, 839240, 1258860, 1300822, 1951233, 2517720, 2601644, 3252055, 3902466, 5203288, 6504110, 7804932, 9756165, 13008220, 15609864, 19512330, 26016440, 39024660, 78049320]

約数ペア:

[(1, 78049320), (2, 39024660), (3, 26016440), (4, 19512330), (5, 15609864), (6, 13008220), (8, 9756165), (10, 7804932), (12, 6504110), (15, 5203288), (20, 3902466), (24, 3252055), (30, 2601644), (31, 2517720), (40, 1951233), (60, 1300822), (62, 1258860), (93, 839240), (120, 650411), (124, 629430), (155, 503544), (186, 419620), (248, 314715), (310, 251772), (372, 209810), (465, 167848), (620, 125886), (744, 104905), (930, 83924), (1240, 62943), (1860, 41962), (3720, 20981)]