249548520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{461}}^1$

素因数の和:835

約数の個数: 128

約数和(自身を含む): 810311040

約数和(自身を除く): 560762520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 347, 390, 461, 520, 694, 780, 922, 1041, 1383, 1388, 1560, 1735, 1844, 2082, 2305, 2766, 2776, 3470, 3688, 4164, 4511, 4610, 5205, 5532, 5993, 6915, 6940, 8328, 9022, 9220, 10410, 11064, 11986, 13533, 13830, 13880, 17979, 18044, 18440, 20820, 22555, 23972, 27066, 27660, 29965, 35958, 36088, 41640, 45110, 47944, 54132, 55320, 59930, 67665, 71916, 89895, 90220, 108264, 119860, 135330, 143832, 159967, 179790, 180440, 239720, 270660, 319934, 359580, 479901, 541320, 639868, 719160, 799835, 959802, 1279736, 1599670, 1919604, 2079571, 2399505, 3199340, 3839208, 4159142, 4799010, 6238713, 6398680, 8318284, 9598020, 10397855, 12477426, 16636568, 19196040, 20795710, 24954852, 31193565, 41591420, 49909704, 62387130, 83182840, 124774260, 249548520]

約数ペア:

[(1, 249548520), (2, 124774260), (3, 83182840), (4, 62387130), (5, 49909704), (6, 41591420), (8, 31193565), (10, 24954852), (12, 20795710), (13, 19196040), (15, 16636568), (20, 12477426), (24, 10397855), (26, 9598020), (30, 8318284), (39, 6398680), (40, 6238713), (52, 4799010), (60, 4159142), (65, 3839208), (78, 3199340), (104, 2399505), (120, 2079571), (130, 1919604), (156, 1599670), (195, 1279736), (260, 959802), (312, 799835), (347, 719160), (390, 639868), (461, 541320), (520, 479901), (694, 359580), (780, 319934), (922, 270660), (1041, 239720), (1383, 180440), (1388, 179790), (1560, 159967), (1735, 143832), (1844, 135330), (2082, 119860), (2305, 108264), (2766, 90220), (2776, 89895), (3470, 71916), (3688, 67665), (4164, 59930), (4511, 55320), (4610, 54132), (5205, 47944), (5532, 45110), (5993, 41640), (6915, 36088), (6940, 35958), (8328, 29965), (9022, 27660), (9220, 27066), (10410, 23972), (11064, 22555), (11986, 20820), (13533, 18440), (13830, 18044), (13880, 17979)]