256722240

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{267419}}^1$

素因数の和:267439

約数の個数: 56

約数和(自身を含む): 815096160

約数和(自身を除く): 558373920

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, 480, 960, 267419, 534838, 802257, 1069676, 1337095, 1604514, 2139352, 2674190, 3209028, 4011285, 4278704, 5348380, 6418056, 8022570, 8557408, 10696760, 12836112, 16045140, 17114816, 21393520, 25672224, 32090280, 42787040, 51344448, 64180560, 85574080, 128361120, 256722240]

約数ペア:

[(1, 256722240), (2, 128361120), (3, 85574080), (4, 64180560), (5, 51344448), (6, 42787040), (8, 32090280), (10, 25672224), (12, 21393520), (15, 17114816), (16, 16045140), (20, 12836112), (24, 10696760), (30, 8557408), (32, 8022570), (40, 6418056), (48, 5348380), (60, 4278704), (64, 4011285), (80, 3209028), (96, 2674190), (120, 2139352), (160, 1604514), (192, 1337095), (240, 1069676), (320, 802257), (480, 534838), (960, 267419)]