678327760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{4729}}^1$

素因数の和:4916

約数の個数: 80

約数和(自身を含む): 1731407040

約数和(自身を除く): 1053079280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 163, 176, 220, 326, 440, 652, 815, 880, 1304, 1630, 1793, 2608, 3260, 3586, 4729, 6520, 7172, 8965, 9458, 13040, 14344, 17930, 18916, 23645, 28688, 35860, 37832, 47290, 52019, 71720, 75664, 94580, 104038, 143440, 189160, 208076, 260095, 378320, 416152, 520190, 770827, 832304, 1040380, 1541654, 2080760, 3083308, 3854135, 4161520, 6166616, 7708270, 8479097, 12333232, 15416540, 16958194, 30833080, 33916388, 42395485, 61666160, 67832776, 84790970, 135665552, 169581940, 339163880, 678327760]

約数ペア:

[(1, 678327760), (2, 339163880), (4, 169581940), (5, 135665552), (8, 84790970), (10, 67832776), (11, 61666160), (16, 42395485), (20, 33916388), (22, 30833080), (40, 16958194), (44, 15416540), (55, 12333232), (80, 8479097), (88, 7708270), (110, 6166616), (163, 4161520), (176, 3854135), (220, 3083308), (326, 2080760), (440, 1541654), (652, 1040380), (815, 832304), (880, 770827), (1304, 520190), (1630, 416152), (1793, 378320), (2608, 260095), (3260, 208076), (3586, 189160), (4729, 143440), (6520, 104038), (7172, 94580), (8965, 75664), (9458, 71720), (13040, 52019), (14344, 47290), (17930, 37832), (18916, 35860), (23645, 28688)]