28009707480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{77804743}}^1$

素因数の和:77804760

約数の個数: 48

約数和(自身を含む): 91031550480

約数和(自身を除く): 63021843000

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, 77804743, 155609486, 233414229, 311218972, 389023715, 466828458, 622437944, 700242687, 778047430, 933656916, 1167071145, 1400485374, 1556094860, 1867313832, 2334142290, 2800970748, 3112189720, 3501213435, 4668284580, 5601941496, 7002426870, 9336569160, 14004853740, 28009707480]

約数ペア:

[(1, 28009707480), (2, 14004853740), (3, 9336569160), (4, 7002426870), (5, 5601941496), (6, 4668284580), (8, 3501213435), (9, 3112189720), (10, 2800970748), (12, 2334142290), (15, 1867313832), (18, 1556094860), (20, 1400485374), (24, 1167071145), (30, 933656916), (36, 778047430), (40, 700242687), (45, 622437944), (60, 466828458), (72, 389023715), (90, 311218972), (120, 233414229), (180, 155609486), (360, 77804743)]