2640278628

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{63389}}^1$

素因数の和:63501

約数の個数: 72

約数和(自身を含む): 7268297400

約数和(自身を除く): 4628018772

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 89, 117, 156, 178, 234, 267, 356, 468, 534, 801, 1068, 1157, 1602, 2314, 3204, 3471, 4628, 6942, 10413, 13884, 20826, 41652, 63389, 126778, 190167, 253556, 380334, 570501, 760668, 824057, 1141002, 1648114, 2282004, 2472171, 3296228, 4944342, 5641621, 7416513, 9888684, 11283242, 14833026, 16924863, 22566484, 29666052, 33849726, 50774589, 67699452, 73341073, 101549178, 146682146, 203098356, 220023219, 293364292, 440046438, 660069657, 880092876, 1320139314, 2640278628]

約数ペア:

[(1, 2640278628), (2, 1320139314), (3, 880092876), (4, 660069657), (6, 440046438), (9, 293364292), (12, 220023219), (13, 203098356), (18, 146682146), (26, 101549178), (36, 73341073), (39, 67699452), (52, 50774589), (78, 33849726), (89, 29666052), (117, 22566484), (156, 16924863), (178, 14833026), (234, 11283242), (267, 9888684), (356, 7416513), (468, 5641621), (534, 4944342), (801, 3296228), (1068, 2472171), (1157, 2282004), (1602, 1648114), (2314, 1141002), (3204, 824057), (3471, 760668), (4628, 570501), (6942, 380334), (10413, 253556), (13884, 190167), (20826, 126778), (41652, 63389)]