25718520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2003}}^1$

素因数の和:2124

約数の個数: 64

約数和(自身を含む): 77915520

約数和(自身を除く): 52197000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 107, 120, 214, 321, 428, 535, 642, 856, 1070, 1284, 1605, 2003, 2140, 2568, 3210, 4006, 4280, 6009, 6420, 8012, 10015, 12018, 12840, 16024, 20030, 24036, 30045, 40060, 48072, 60090, 80120, 120180, 214321, 240360, 428642, 642963, 857284, 1071605, 1285926, 1714568, 2143210, 2571852, 3214815, 4286420, 5143704, 6429630, 8572840, 12859260, 25718520]

約数ペア:

[(1, 25718520), (2, 12859260), (3, 8572840), (4, 6429630), (5, 5143704), (6, 4286420), (8, 3214815), (10, 2571852), (12, 2143210), (15, 1714568), (20, 1285926), (24, 1071605), (30, 857284), (40, 642963), (60, 428642), (107, 240360), (120, 214321), (214, 120180), (321, 80120), (428, 60090), (535, 48072), (642, 40060), (856, 30045), (1070, 24036), (1284, 20030), (1605, 16024), (2003, 12840), (2140, 12018), (2568, 10015), (3210, 8012), (4006, 6420), (4280, 6009)]