15990180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{4517}}^1$

素因数の和:4588

約数の個数: 48

約数和(自身を含む): 45541440

約数和(自身を除く): 29551260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 118, 177, 236, 295, 354, 590, 708, 885, 1180, 1770, 3540, 4517, 9034, 13551, 18068, 22585, 27102, 45170, 54204, 67755, 90340, 135510, 266503, 271020, 533006, 799509, 1066012, 1332515, 1599018, 2665030, 3198036, 3997545, 5330060, 7995090, 15990180]

約数ペア:

[(1, 15990180), (2, 7995090), (3, 5330060), (4, 3997545), (5, 3198036), (6, 2665030), (10, 1599018), (12, 1332515), (15, 1066012), (20, 799509), (30, 533006), (59, 271020), (60, 266503), (118, 135510), (177, 90340), (236, 67755), (295, 54204), (354, 45170), (590, 27102), (708, 22585), (885, 18068), (1180, 13551), (1770, 9034), (3540, 4517)]