8681680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{419}}^1$

素因数の和:476

約数の個数: 80

約数和(自身を含む): 23748480

約数和(自身を除く): 15066800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 370, 419, 518, 560, 592, 740, 838, 1036, 1295, 1480, 1676, 2072, 2095, 2590, 2933, 2960, 3352, 4144, 4190, 5180, 5866, 6704, 8380, 10360, 11732, 14665, 15503, 16760, 20720, 23464, 29330, 31006, 33520, 46928, 58660, 62012, 77515, 108521, 117320, 124024, 155030, 217042, 234640, 248048, 310060, 434084, 542605, 620120, 868168, 1085210, 1240240, 1736336, 2170420, 4340840, 8681680]

約数ペア:

[(1, 8681680), (2, 4340840), (4, 2170420), (5, 1736336), (7, 1240240), (8, 1085210), (10, 868168), (14, 620120), (16, 542605), (20, 434084), (28, 310060), (35, 248048), (37, 234640), (40, 217042), (56, 155030), (70, 124024), (74, 117320), (80, 108521), (112, 77515), (140, 62012), (148, 58660), (185, 46928), (259, 33520), (280, 31006), (296, 29330), (370, 23464), (419, 20720), (518, 16760), (560, 15503), (592, 14665), (740, 11732), (838, 10360), (1036, 8380), (1295, 6704), (1480, 5866), (1676, 5180), (2072, 4190), (2095, 4144), (2590, 3352), (2933, 2960)]