280325160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{778681}}^1$

素因数の和:778698

約数の個数: 48

約数和(自身を含む): 911057940

約数和(自身を除く): 630732780

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 778681, 1557362, 2336043, 3114724, 3893405, 4672086, 6229448, 7008129, 7786810, 9344172, 11680215, 14016258, 15573620, 18688344, 23360430, 28032516, 31147240, 35040645, 46720860, 56065032, 70081290, 93441720, 140162580, 280325160]

約数ペア:

[(1, 280325160), (2, 140162580), (3, 93441720), (4, 70081290), (5, 56065032), (6, 46720860), (8, 35040645), (9, 31147240), (10, 28032516), (12, 23360430), (15, 18688344), (18, 15573620), (20, 14016258), (24, 11680215), (30, 9344172), (36, 7786810), (40, 7008129), (45, 6229448), (60, 4672086), (72, 3893405), (90, 3114724), (120, 2336043), (180, 1557362), (360, 778681)]