221594160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{923309}}^1$

素因数の和:923325

約数の個数: 40

約数和(自身を含む): 686942640

約数和(自身を除く): 465348480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 923309, 1846618, 2769927, 3693236, 4616545, 5539854, 7386472, 9233090, 11079708, 13849635, 14772944, 18466180, 22159416, 27699270, 36932360, 44318832, 55398540, 73864720, 110797080, 221594160]

約数ペア:

[(1, 221594160), (2, 110797080), (3, 73864720), (4, 55398540), (5, 44318832), (6, 36932360), (8, 27699270), (10, 22159416), (12, 18466180), (15, 14772944), (16, 13849635), (20, 11079708), (24, 9233090), (30, 7386472), (40, 5539854), (48, 4616545), (60, 3693236), (80, 2769927), (120, 1846618), (240, 923309)]