87201540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2027}}^1$

素因数の和:2281

約数の個数: 72

約数和(自身を含む): 265749120

約数和(自身を除く): 178547580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 478, 717, 956, 1195, 1434, 2027, 2151, 2390, 2868, 3585, 4054, 4302, 4780, 6081, 7170, 8108, 8604, 10135, 10755, 12162, 14340, 18243, 20270, 21510, 24324, 30405, 36486, 40540, 43020, 60810, 72972, 91215, 121620, 182430, 364860, 484453, 968906, 1453359, 1937812, 2422265, 2906718, 4360077, 4844530, 5813436, 7266795, 8720154, 9689060, 14533590, 17440308, 21800385, 29067180, 43600770, 87201540]

約数ペア:

[(1, 87201540), (2, 43600770), (3, 29067180), (4, 21800385), (5, 17440308), (6, 14533590), (9, 9689060), (10, 8720154), (12, 7266795), (15, 5813436), (18, 4844530), (20, 4360077), (30, 2906718), (36, 2422265), (45, 1937812), (60, 1453359), (90, 968906), (180, 484453), (239, 364860), (478, 182430), (717, 121620), (956, 91215), (1195, 72972), (1434, 60810), (2027, 43020), (2151, 40540), (2390, 36486), (2868, 30405), (3585, 24324), (4054, 21510), (4302, 20270), (4780, 18243), (6081, 14340), (7170, 12162), (8108, 10755), (8604, 10135)]