128577420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{701}}^1\times {\mathrm{1019}}^1$

素因数の和:1735

約数の個数: 72

約数和(自身を含む): 390957840

約数和(自身を除く): 262380420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 701, 1019, 1402, 2038, 2103, 2804, 3057, 3505, 4076, 4206, 5095, 6114, 6309, 7010, 8412, 9171, 10190, 10515, 12228, 12618, 14020, 15285, 18342, 20380, 21030, 25236, 30570, 31545, 36684, 42060, 45855, 61140, 63090, 91710, 126180, 183420, 714319, 1428638, 2142957, 2857276, 3571595, 4285914, 6428871, 7143190, 8571828, 10714785, 12857742, 14286380, 21429570, 25715484, 32144355, 42859140, 64288710, 128577420]

約数ペア:

[(1, 128577420), (2, 64288710), (3, 42859140), (4, 32144355), (5, 25715484), (6, 21429570), (9, 14286380), (10, 12857742), (12, 10714785), (15, 8571828), (18, 7143190), (20, 6428871), (30, 4285914), (36, 3571595), (45, 2857276), (60, 2142957), (90, 1428638), (180, 714319), (701, 183420), (1019, 126180), (1402, 91710), (2038, 63090), (2103, 61140), (2804, 45855), (3057, 42060), (3505, 36684), (4076, 31545), (4206, 30570), (5095, 25236), (6114, 21030), (6309, 20380), (7010, 18342), (8412, 15285), (9171, 14020), (10190, 12618), (10515, 12228)]