2912985680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{106781}}^1$

素因数の和:106836

約数の個数: 80

約数和(自身を含む): 7626797568

約数和(自身を除く): 4713811888

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3410, 5456, 6820, 13640, 27280, 106781, 213562, 427124, 533905, 854248, 1067810, 1174591, 1708496, 2135620, 2349182, 3310211, 4271240, 4698364, 5872955, 6620422, 8542480, 9396728, 11745910, 13240844, 16551055, 18793456, 23491820, 26481688, 33102110, 36412321, 46983640, 52963376, 66204220, 72824642, 93967280, 132408440, 145649284, 182061605, 264816880, 291298568, 364123210, 582597136, 728246420, 1456492840, 2912985680]

約数ペア:

[(1, 2912985680), (2, 1456492840), (4, 728246420), (5, 582597136), (8, 364123210), (10, 291298568), (11, 264816880), (16, 182061605), (20, 145649284), (22, 132408440), (31, 93967280), (40, 72824642), (44, 66204220), (55, 52963376), (62, 46983640), (80, 36412321), (88, 33102110), (110, 26481688), (124, 23491820), (155, 18793456), (176, 16551055), (220, 13240844), (248, 11745910), (310, 9396728), (341, 8542480), (440, 6620422), (496, 5872955), (620, 4698364), (682, 4271240), (880, 3310211), (1240, 2349182), (1364, 2135620), (1705, 1708496), (2480, 1174591), (2728, 1067810), (3410, 854248), (5456, 533905), (6820, 427124), (13640, 213562), (27280, 106781)]