128550060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1657}}^1$

素因数の和:2103

約数の個数: 72

約数和(自身を含む): 391075776

約数和(自身を除く): 262525716

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 431, 862, 1293, 1657, 1724, 2155, 2586, 3314, 3879, 4310, 4971, 5172, 6465, 6628, 7758, 8285, 8620, 9942, 12930, 14913, 15516, 16570, 19395, 19884, 24855, 25860, 29826, 33140, 38790, 49710, 59652, 74565, 77580, 99420, 149130, 298260, 714167, 1428334, 2142501, 2856668, 3570835, 4285002, 6427503, 7141670, 8570004, 10712505, 12855006, 14283340, 21425010, 25710012, 32137515, 42850020, 64275030, 128550060]

約数ペア:

[(1, 128550060), (2, 64275030), (3, 42850020), (4, 32137515), (5, 25710012), (6, 21425010), (9, 14283340), (10, 12855006), (12, 10712505), (15, 8570004), (18, 7141670), (20, 6427503), (30, 4285002), (36, 3570835), (45, 2856668), (60, 2142501), (90, 1428334), (180, 714167), (431, 298260), (862, 149130), (1293, 99420), (1657, 77580), (1724, 74565), (2155, 59652), (2586, 49710), (3314, 38790), (3879, 33140), (4310, 29826), (4971, 25860), (5172, 24855), (6465, 19884), (6628, 19395), (7758, 16570), (8285, 15516), (8620, 14913), (9942, 12930)]