21998160

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{30553}}^1$

素因数の和:30572

約数の個数: 60

約数和(自身を含む): 73879572

約数和(自身を除く): 51881412

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 30553, 61106, 91659, 122212, 152765, 183318, 244424, 274977, 305530, 366636, 458295, 488848, 549954, 611060, 733272, 916590, 1099908, 1222120, 1374885, 1466544, 1833180, 2199816, 2444240, 2749770, 3666360, 4399632, 5499540, 7332720, 10999080, 21998160]

約数ペア:

[(1, 21998160), (2, 10999080), (3, 7332720), (4, 5499540), (5, 4399632), (6, 3666360), (8, 2749770), (9, 2444240), (10, 2199816), (12, 1833180), (15, 1466544), (16, 1374885), (18, 1222120), (20, 1099908), (24, 916590), (30, 733272), (36, 611060), (40, 549954), (45, 488848), (48, 458295), (60, 366636), (72, 305530), (80, 274977), (90, 244424), (120, 183318), (144, 152765), (180, 122212), (240, 91659), (360, 61106), (720, 30553)]