153203240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{123551}}^1$

素因数の和:123593

約数の個数: 32

約数和(自身を含む): 355829760

約数和(自身を除く): 202626520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 123551, 247102, 494204, 617755, 988408, 1235510, 2471020, 3830081, 4942040, 7660162, 15320324, 19150405, 30640648, 38300810, 76601620, 153203240]

約数ペア:

[(1, 153203240), (2, 76601620), (4, 38300810), (5, 30640648), (8, 19150405), (10, 15320324), (20, 7660162), (31, 4942040), (40, 3830081), (62, 2471020), (124, 1235510), (155, 988408), (248, 617755), (310, 494204), (620, 247102), (1240, 123551)]