971661780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{36229}}^1$

素因数の和:36393

約数の個数: 72

約数和(自身を含む): 2967237000

約数和(自身を除く): 1995575220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 298, 447, 596, 745, 894, 1341, 1490, 1788, 2235, 2682, 2980, 4470, 5364, 6705, 8940, 13410, 26820, 36229, 72458, 108687, 144916, 181145, 217374, 326061, 362290, 434748, 543435, 652122, 724580, 1086870, 1304244, 1630305, 2173740, 3260610, 5398121, 6521220, 10796242, 16194363, 21592484, 26990605, 32388726, 48583089, 53981210, 64777452, 80971815, 97166178, 107962420, 161943630, 194332356, 242915445, 323887260, 485830890, 971661780]

約数ペア:

[(1, 971661780), (2, 485830890), (3, 323887260), (4, 242915445), (5, 194332356), (6, 161943630), (9, 107962420), (10, 97166178), (12, 80971815), (15, 64777452), (18, 53981210), (20, 48583089), (30, 32388726), (36, 26990605), (45, 21592484), (60, 16194363), (90, 10796242), (149, 6521220), (180, 5398121), (298, 3260610), (447, 2173740), (596, 1630305), (745, 1304244), (894, 1086870), (1341, 724580), (1490, 652122), (1788, 543435), (2235, 434748), (2682, 362290), (2980, 326061), (4470, 217374), (5364, 181145), (6705, 144916), (8940, 108687), (13410, 72458), (26820, 36229)]