215856240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{899401}}^1$

素因数の和:899417

約数の個数: 40

約数和(自身を含む): 669155088

約数和(自身を除く): 453298848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 899401, 1798802, 2698203, 3597604, 4497005, 5396406, 7195208, 8994010, 10792812, 13491015, 14390416, 17988020, 21585624, 26982030, 35976040, 43171248, 53964060, 71952080, 107928120, 215856240]

約数ペア:

[(1, 215856240), (2, 107928120), (3, 71952080), (4, 53964060), (5, 43171248), (6, 35976040), (8, 26982030), (10, 21585624), (12, 17988020), (15, 14390416), (16, 13491015), (20, 10792812), (24, 8994010), (30, 7195208), (40, 5396406), (48, 4497005), (60, 3597604), (80, 2698203), (120, 1798802), (240, 899401)]