1971780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{557}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 5624640

約数和(自身を除く): 3652860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 118, 177, 236, 295, 354, 557, 590, 708, 885, 1114, 1180, 1671, 1770, 2228, 2785, 3342, 3540, 5570, 6684, 8355, 11140, 16710, 32863, 33420, 65726, 98589, 131452, 164315, 197178, 328630, 394356, 492945, 657260, 985890, 1971780]

約数ペア:

[(1, 1971780), (2, 985890), (3, 657260), (4, 492945), (5, 394356), (6, 328630), (10, 197178), (12, 164315), (15, 131452), (20, 98589), (30, 65726), (59, 33420), (60, 32863), (118, 16710), (177, 11140), (236, 8355), (295, 6684), (354, 5570), (557, 3540), (590, 3342), (708, 2785), (885, 2228), (1114, 1770), (1180, 1671)]