1520953425

素因数分解:

$3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{2087}}^1$

素因数の和:2223

約数の個数: 72

約数和(自身を含む): 2827319040

約数和(自身を除く): 1306365615

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 75, 79, 123, 205, 225, 237, 369, 395, 615, 711, 1025, 1185, 1845, 1975, 2087, 3075, 3239, 3555, 5925, 6261, 9225, 9717, 10435, 16195, 17775, 18783, 29151, 31305, 48585, 52175, 80975, 85567, 93915, 145755, 156525, 164873, 242925, 256701, 427835, 469575, 494619, 728775, 770103, 824365, 1283505, 1483857, 2139175, 2473095, 3850515, 4121825, 6417525, 6759793, 7419285, 12365475, 19252575, 20279379, 33798965, 37096425, 60838137, 101396895, 168994825, 304190685, 506984475, 1520953425]

約数ペア:

[(1, 1520953425), (3, 506984475), (5, 304190685), (9, 168994825), (15, 101396895), (25, 60838137), (41, 37096425), (45, 33798965), (75, 20279379), (79, 19252575), (123, 12365475), (205, 7419285), (225, 6759793), (237, 6417525), (369, 4121825), (395, 3850515), (615, 2473095), (711, 2139175), (1025, 1483857), (1185, 1283505), (1845, 824365), (1975, 770103), (2087, 728775), (3075, 494619), (3239, 469575), (3555, 427835), (5925, 256701), (6261, 242925), (9225, 164873), (9717, 156525), (10435, 145755), (16195, 93915), (17775, 85567), (18783, 80975), (29151, 52175), (31305, 48585)]