123813040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:239

約数の個数: 160

約数和(自身を含む): 337478400

約数和(自身を除く): 213665360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 47, 52, 65, 68, 80, 85, 94, 104, 130, 136, 149, 170, 188, 208, 221, 235, 260, 272, 298, 340, 376, 442, 470, 520, 596, 611, 680, 745, 752, 799, 884, 940, 1040, 1105, 1192, 1222, 1360, 1490, 1598, 1768, 1880, 1937, 2210, 2384, 2444, 2533, 2980, 3055, 3196, 3536, 3760, 3874, 3995, 4420, 4888, 5066, 5960, 6110, 6392, 7003, 7748, 7990, 8840, 9685, 9776, 10132, 10387, 11920, 12220, 12665, 12784, 14006, 15496, 15980, 17680, 19370, 20264, 20774, 24440, 25330, 28012, 30992, 31960, 32929, 35015, 38740, 40528, 41548, 48880, 50660, 51935, 56024, 63920, 65858, 70030, 77480, 83096, 91039, 101320, 103870, 112048, 119051, 131716, 140060, 154960, 164645, 166192, 182078, 202640, 207740, 238102, 263432, 280120, 329290, 364156, 415480, 455195, 476204, 526864, 560240, 595255, 658580, 728312, 830960, 910390, 952408, 1190510, 1317160, 1456624, 1547663, 1820780, 1904816, 2381020, 2634320, 3095326, 3641560, 4762040, 6190652, 7283120, 7738315, 9524080, 12381304, 15476630, 24762608, 30953260, 61906520, 123813040]

約数ペア:

[(1, 123813040), (2, 61906520), (4, 30953260), (5, 24762608), (8, 15476630), (10, 12381304), (13, 9524080), (16, 7738315), (17, 7283120), (20, 6190652), (26, 4762040), (34, 3641560), (40, 3095326), (47, 2634320), (52, 2381020), (65, 1904816), (68, 1820780), (80, 1547663), (85, 1456624), (94, 1317160), (104, 1190510), (130, 952408), (136, 910390), (149, 830960), (170, 728312), (188, 658580), (208, 595255), (221, 560240), (235, 526864), (260, 476204), (272, 455195), (298, 415480), (340, 364156), (376, 329290), (442, 280120), (470, 263432), (520, 238102), (596, 207740), (611, 202640), (680, 182078), (745, 166192), (752, 164645), (799, 154960), (884, 140060), (940, 131716), (1040, 119051), (1105, 112048), (1192, 103870), (1222, 101320), (1360, 91039), (1490, 83096), (1598, 77480), (1768, 70030), (1880, 65858), (1937, 63920), (2210, 56024), (2384, 51935), (2444, 50660), (2533, 48880), (2980, 41548), (3055, 40528), (3196, 38740), (3536, 35015), (3760, 32929), (3874, 31960), (3995, 30992), (4420, 28012), (4888, 25330), (5066, 24440), (5960, 20774), (6110, 20264), (6392, 19370), (7003, 17680), (7748, 15980), (7990, 15496), (8840, 14006), (9685, 12784), (9776, 12665), (10132, 12220), (10387, 11920)]