128496780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{79319}}^1$

素因数の和:79340

約数の個数: 60

約数和(自身を含む): 403104240

約数和(自身を除く): 274607460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 79319, 158638, 237957, 317276, 396595, 475914, 713871, 793190, 951828, 1189785, 1427742, 1586380, 2141613, 2379570, 2855484, 3569355, 4283226, 4759140, 6424839, 7138710, 8566452, 10708065, 12849678, 14277420, 21416130, 25699356, 32124195, 42832260, 64248390, 128496780]

約数ペア:

[(1, 128496780), (2, 64248390), (3, 42832260), (4, 32124195), (5, 25699356), (6, 21416130), (9, 14277420), (10, 12849678), (12, 10708065), (15, 8566452), (18, 7138710), (20, 6424839), (27, 4759140), (30, 4283226), (36, 3569355), (45, 2855484), (54, 2379570), (60, 2141613), (81, 1586380), (90, 1427742), (108, 1189785), (135, 951828), (162, 793190), (180, 713871), (270, 475914), (324, 396595), (405, 317276), (540, 237957), (810, 158638), (1620, 79319)]