65180840

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:530

約数の個数: 64

約数和(自身を含む): 151632000

約数和(自身を除く): 86451160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 71, 118, 142, 236, 284, 295, 355, 389, 472, 568, 590, 710, 778, 1180, 1420, 1556, 1945, 2360, 2840, 3112, 3890, 4189, 7780, 8378, 15560, 16756, 20945, 22951, 27619, 33512, 41890, 45902, 55238, 83780, 91804, 110476, 114755, 138095, 167560, 183608, 220952, 229510, 276190, 459020, 552380, 918040, 1104760, 1629521, 3259042, 6518084, 8147605, 13036168, 16295210, 32590420, 65180840]

約数ペア:

[(1, 65180840), (2, 32590420), (4, 16295210), (5, 13036168), (8, 8147605), (10, 6518084), (20, 3259042), (40, 1629521), (59, 1104760), (71, 918040), (118, 552380), (142, 459020), (236, 276190), (284, 229510), (295, 220952), (355, 183608), (389, 167560), (472, 138095), (568, 114755), (590, 110476), (710, 91804), (778, 83780), (1180, 55238), (1420, 45902), (1556, 41890), (1945, 33512), (2360, 27619), (2840, 22951), (3112, 20945), (3890, 16756), (4189, 15560), (7780, 8378)]