7783740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{521}}^1$

素因数の和:619

約数の個数: 72

約数和(自身を含む): 23941008

約数和(自身を除く): 16157268

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 521, 747, 830, 996, 1042, 1245, 1494, 1563, 1660, 2084, 2490, 2605, 2988, 3126, 3735, 4689, 4980, 5210, 6252, 7470, 7815, 9378, 10420, 14940, 15630, 18756, 23445, 31260, 43243, 46890, 86486, 93780, 129729, 172972, 216215, 259458, 389187, 432430, 518916, 648645, 778374, 864860, 1297290, 1556748, 1945935, 2594580, 3891870, 7783740]

約数ペア:

[(1, 7783740), (2, 3891870), (3, 2594580), (4, 1945935), (5, 1556748), (6, 1297290), (9, 864860), (10, 778374), (12, 648645), (15, 518916), (18, 432430), (20, 389187), (30, 259458), (36, 216215), (45, 172972), (60, 129729), (83, 93780), (90, 86486), (166, 46890), (180, 43243), (249, 31260), (332, 23445), (415, 18756), (498, 15630), (521, 14940), (747, 10420), (830, 9378), (996, 7815), (1042, 7470), (1245, 6252), (1494, 5210), (1563, 4980), (1660, 4689), (2084, 3735), (2490, 3126), (2605, 2988)]