180854840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{839}}^1$

素因数の和:1184

約数の個数: 64

約数和(自身を含む): 432734400

約数和(自身を除く): 251879560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 317, 340, 634, 680, 839, 1268, 1585, 1678, 2536, 3170, 3356, 4195, 5389, 6340, 6712, 8390, 10778, 12680, 14263, 16780, 21556, 26945, 28526, 33560, 43112, 53890, 57052, 71315, 107780, 114104, 142630, 215560, 265963, 285260, 531926, 570520, 1063852, 1329815, 2127704, 2659630, 4521371, 5319260, 9042742, 10638520, 18085484, 22606855, 36170968, 45213710, 90427420, 180854840]

約数ペア:

[(1, 180854840), (2, 90427420), (4, 45213710), (5, 36170968), (8, 22606855), (10, 18085484), (17, 10638520), (20, 9042742), (34, 5319260), (40, 4521371), (68, 2659630), (85, 2127704), (136, 1329815), (170, 1063852), (317, 570520), (340, 531926), (634, 285260), (680, 265963), (839, 215560), (1268, 142630), (1585, 114104), (1678, 107780), (2536, 71315), (3170, 57052), (3356, 53890), (4195, 43112), (5389, 33560), (6340, 28526), (6712, 26945), (8390, 21556), (10778, 16780), (12680, 14263)]