15989040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:491

約数の個数: 120

約数和(自身を含む): 54840240

約数和(自身を除く): 38851200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 53, 60, 72, 80, 90, 106, 120, 144, 159, 180, 212, 240, 265, 318, 360, 419, 424, 477, 530, 636, 720, 795, 838, 848, 954, 1060, 1257, 1272, 1590, 1676, 1908, 2095, 2120, 2385, 2514, 2544, 3180, 3352, 3771, 3816, 4190, 4240, 4770, 5028, 6285, 6360, 6704, 7542, 7632, 8380, 9540, 10056, 12570, 12720, 15084, 16760, 18855, 19080, 20112, 22207, 25140, 30168, 33520, 37710, 38160, 44414, 50280, 60336, 66621, 75420, 88828, 100560, 111035, 133242, 150840, 177656, 199863, 222070, 266484, 301680, 333105, 355312, 399726, 444140, 532968, 666210, 799452, 888280, 999315, 1065936, 1332420, 1598904, 1776560, 1998630, 2664840, 3197808, 3997260, 5329680, 7994520, 15989040]

約数ペア:

[(1, 15989040), (2, 7994520), (3, 5329680), (4, 3997260), (5, 3197808), (6, 2664840), (8, 1998630), (9, 1776560), (10, 1598904), (12, 1332420), (15, 1065936), (16, 999315), (18, 888280), (20, 799452), (24, 666210), (30, 532968), (36, 444140), (40, 399726), (45, 355312), (48, 333105), (53, 301680), (60, 266484), (72, 222070), (80, 199863), (90, 177656), (106, 150840), (120, 133242), (144, 111035), (159, 100560), (180, 88828), (212, 75420), (240, 66621), (265, 60336), (318, 50280), (360, 44414), (419, 38160), (424, 37710), (477, 33520), (530, 30168), (636, 25140), (720, 22207), (795, 20112), (838, 19080), (848, 18855), (954, 16760), (1060, 15084), (1257, 12720), (1272, 12570), (1590, 10056), (1676, 9540), (1908, 8380), (2095, 7632), (2120, 7542), (2385, 6704), (2514, 6360), (2544, 6285), (3180, 5028), (3352, 4770), (3771, 4240), (3816, 4190)]