68551080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43943}}^1$

素因数の和:43970

約数の個数: 64

約数和(自身を含む): 221477760

約数和(自身を除く): 152926680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 43943, 87886, 131829, 175772, 219715, 263658, 351544, 439430, 527316, 571259, 659145, 878860, 1054632, 1142518, 1318290, 1713777, 1757720, 2285036, 2636580, 2856295, 3427554, 4570072, 5273160, 5712590, 6855108, 8568885, 11425180, 13710216, 17137770, 22850360, 34275540, 68551080]

約数ペア:

[(1, 68551080), (2, 34275540), (3, 22850360), (4, 17137770), (5, 13710216), (6, 11425180), (8, 8568885), (10, 6855108), (12, 5712590), (13, 5273160), (15, 4570072), (20, 3427554), (24, 2856295), (26, 2636580), (30, 2285036), (39, 1757720), (40, 1713777), (52, 1318290), (60, 1142518), (65, 1054632), (78, 878860), (104, 659145), (120, 571259), (130, 527316), (156, 439430), (195, 351544), (260, 263658), (312, 219715), (390, 175772), (520, 131829), (780, 87886), (1560, 43943)]