217488720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{906203}}^1$

素因数の和:906219

約数の個数: 40

約数和(自身を含む): 674215776

約数和(自身を除く): 456727056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 906203, 1812406, 2718609, 3624812, 4531015, 5437218, 7249624, 9062030, 10874436, 13593045, 14499248, 18124060, 21748872, 27186090, 36248120, 43497744, 54372180, 72496240, 108744360, 217488720]

約数ペア:

[(1, 217488720), (2, 108744360), (3, 72496240), (4, 54372180), (5, 43497744), (6, 36248120), (8, 27186090), (10, 21748872), (12, 18124060), (15, 14499248), (16, 13593045), (20, 10874436), (24, 9062030), (30, 7249624), (40, 5437218), (48, 4531015), (60, 3624812), (80, 2718609), (120, 1812406), (240, 906203)]