231639240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:344

約数の個数: 256

約数和(自身を含む): 847065600

約数和(自身を除く): 615426360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 35, 37, 40, 42, 56, 58, 60, 70, 74, 84, 87, 105, 111, 116, 120, 140, 145, 148, 168, 174, 185, 203, 210, 222, 232, 257, 259, 280, 290, 296, 348, 370, 406, 420, 435, 444, 514, 518, 555, 580, 609, 696, 740, 771, 777, 812, 840, 870, 888, 1015, 1028, 1036, 1073, 1110, 1160, 1218, 1285, 1295, 1480, 1542, 1554, 1624, 1740, 1799, 2030, 2056, 2072, 2146, 2220, 2436, 2570, 2590, 3045, 3084, 3108, 3219, 3480, 3598, 3855, 3885, 4060, 4292, 4440, 4872, 5140, 5180, 5365, 5397, 6090, 6168, 6216, 6438, 7196, 7453, 7511, 7710, 7770, 8120, 8584, 8995, 9509, 10280, 10360, 10730, 10794, 12180, 12876, 14392, 14906, 15022, 15420, 15540, 16095, 17990, 19018, 21460, 21588, 22359, 22533, 24360, 25752, 26985, 28527, 29812, 30044, 30840, 31080, 32190, 35980, 37265, 37555, 38036, 42920, 43176, 44718, 45066, 47545, 52171, 53970, 57054, 59624, 60088, 64380, 66563, 71960, 74530, 75110, 76072, 89436, 90132, 95090, 104342, 107940, 111795, 112665, 114108, 128760, 133126, 142635, 149060, 150220, 156513, 178872, 180264, 190180, 199689, 208684, 215880, 223590, 225330, 228216, 260855, 266252, 275761, 285270, 298120, 300440, 313026, 332815, 380360, 399378, 417368, 447180, 450660, 521710, 532504, 551522, 570540, 626052, 665630, 782565, 798756, 827283, 894360, 901320, 998445, 1043420, 1103044, 1141080, 1252104, 1331260, 1378805, 1565130, 1597512, 1654566, 1930327, 1996890, 2086840, 2206088, 2662520, 2757610, 3130260, 3309132, 3860654, 3993780, 4136415, 5515220, 5790981, 6260520, 6618264, 7721308, 7987560, 8272830, 9651635, 11030440, 11581962, 15442616, 16545660, 19303270, 23163924, 28954905, 33091320, 38606540, 46327848, 57909810, 77213080, 115819620, 231639240]

約数ペア:

[(1, 231639240), (2, 115819620), (3, 77213080), (4, 57909810), (5, 46327848), (6, 38606540), (7, 33091320), (8, 28954905), (10, 23163924), (12, 19303270), (14, 16545660), (15, 15442616), (20, 11581962), (21, 11030440), (24, 9651635), (28, 8272830), (29, 7987560), (30, 7721308), (35, 6618264), (37, 6260520), (40, 5790981), (42, 5515220), (56, 4136415), (58, 3993780), (60, 3860654), (70, 3309132), (74, 3130260), (84, 2757610), (87, 2662520), (105, 2206088), (111, 2086840), (116, 1996890), (120, 1930327), (140, 1654566), (145, 1597512), (148, 1565130), (168, 1378805), (174, 1331260), (185, 1252104), (203, 1141080), (210, 1103044), (222, 1043420), (232, 998445), (257, 901320), (259, 894360), (280, 827283), (290, 798756), (296, 782565), (348, 665630), (370, 626052), (406, 570540), (420, 551522), (435, 532504), (444, 521710), (514, 450660), (518, 447180), (555, 417368), (580, 399378), (609, 380360), (696, 332815), (740, 313026), (771, 300440), (777, 298120), (812, 285270), (840, 275761), (870, 266252), (888, 260855), (1015, 228216), (1028, 225330), (1036, 223590), (1073, 215880), (1110, 208684), (1160, 199689), (1218, 190180), (1285, 180264), (1295, 178872), (1480, 156513), (1542, 150220), (1554, 149060), (1624, 142635), (1740, 133126), (1799, 128760), (2030, 114108), (2056, 112665), (2072, 111795), (2146, 107940), (2220, 104342), (2436, 95090), (2570, 90132), (2590, 89436), (3045, 76072), (3084, 75110), (3108, 74530), (3219, 71960), (3480, 66563), (3598, 64380), (3855, 60088), (3885, 59624), (4060, 57054), (4292, 53970), (4440, 52171), (4872, 47545), (5140, 45066), (5180, 44718), (5365, 43176), (5397, 42920), (6090, 38036), (6168, 37555), (6216, 37265), (6438, 35980), (7196, 32190), (7453, 31080), (7511, 30840), (7710, 30044), (7770, 29812), (8120, 28527), (8584, 26985), (8995, 25752), (9509, 24360), (10280, 22533), (10360, 22359), (10730, 21588), (10794, 21460), (12180, 19018), (12876, 17990), (14392, 16095), (14906, 15540), (15022, 15420)]