68415760

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{563}}^1$

素因数の和:621

約数の個数: 120

約数和(自身を含む): 191344896

約数和(自身を除く): 122929136

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 496, 560, 563, 620, 784, 868, 980, 1085, 1126, 1240, 1519, 1736, 1960, 2170, 2252, 2480, 2815, 3038, 3472, 3920, 3941, 4340, 4504, 5630, 6076, 7595, 7882, 8680, 9008, 11260, 12152, 15190, 15764, 17360, 17453, 19705, 22520, 24304, 27587, 30380, 31528, 34906, 39410, 45040, 55174, 60760, 63056, 69812, 78820, 87265, 110348, 121520, 122171, 137935, 139624, 157640, 174530, 220696, 244342, 275870, 279248, 315280, 349060, 441392, 488684, 551740, 610855, 698120, 855197, 977368, 1103480, 1221710, 1396240, 1710394, 1954736, 2206960, 2443420, 3420788, 4275985, 4886840, 6841576, 8551970, 9773680, 13683152, 17103940, 34207880, 68415760]

約数ペア:

[(1, 68415760), (2, 34207880), (4, 17103940), (5, 13683152), (7, 9773680), (8, 8551970), (10, 6841576), (14, 4886840), (16, 4275985), (20, 3420788), (28, 2443420), (31, 2206960), (35, 1954736), (40, 1710394), (49, 1396240), (56, 1221710), (62, 1103480), (70, 977368), (80, 855197), (98, 698120), (112, 610855), (124, 551740), (140, 488684), (155, 441392), (196, 349060), (217, 315280), (245, 279248), (248, 275870), (280, 244342), (310, 220696), (392, 174530), (434, 157640), (490, 139624), (496, 137935), (560, 122171), (563, 121520), (620, 110348), (784, 87265), (868, 78820), (980, 69812), (1085, 63056), (1126, 60760), (1240, 55174), (1519, 45040), (1736, 39410), (1960, 34906), (2170, 31528), (2252, 30380), (2480, 27587), (2815, 24304), (3038, 22520), (3472, 19705), (3920, 17453), (3941, 17360), (4340, 15764), (4504, 15190), (5630, 12152), (6076, 11260), (7595, 9008), (7882, 8680)]