939677440

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{379}}^1$

素因数の和:562

約数の個数: 144

約数和(自身を含む): 2446668000

約数和(自身を除く): 1506990560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 149, 160, 208, 256, 260, 298, 320, 379, 416, 520, 596, 640, 745, 758, 832, 1040, 1192, 1280, 1490, 1516, 1664, 1895, 1937, 2080, 2384, 2980, 3032, 3328, 3790, 3874, 4160, 4768, 4927, 5960, 6064, 7580, 7748, 8320, 9536, 9685, 9854, 11920, 12128, 15160, 15496, 16640, 19072, 19370, 19708, 23840, 24256, 24635, 30320, 30992, 38144, 38740, 39416, 47680, 48512, 49270, 56471, 60640, 61984, 77480, 78832, 95360, 97024, 98540, 112942, 121280, 123968, 154960, 157664, 190720, 197080, 225884, 242560, 247936, 282355, 309920, 315328, 394160, 451768, 485120, 495872, 564710, 619840, 630656, 734123, 788320, 903536, 1129420, 1239680, 1261312, 1468246, 1576640, 1807072, 2258840, 2479360, 2936492, 3153280, 3614144, 3670615, 4517680, 5872984, 6306560, 7228288, 7341230, 9035360, 11745968, 14456576, 14682460, 18070720, 23491936, 29364920, 36141440, 46983872, 58729840, 72282880, 93967744, 117459680, 187935488, 234919360, 469838720, 939677440]

約数ペア:

[(1, 939677440), (2, 469838720), (4, 234919360), (5, 187935488), (8, 117459680), (10, 93967744), (13, 72282880), (16, 58729840), (20, 46983872), (26, 36141440), (32, 29364920), (40, 23491936), (52, 18070720), (64, 14682460), (65, 14456576), (80, 11745968), (104, 9035360), (128, 7341230), (130, 7228288), (149, 6306560), (160, 5872984), (208, 4517680), (256, 3670615), (260, 3614144), (298, 3153280), (320, 2936492), (379, 2479360), (416, 2258840), (520, 1807072), (596, 1576640), (640, 1468246), (745, 1261312), (758, 1239680), (832, 1129420), (1040, 903536), (1192, 788320), (1280, 734123), (1490, 630656), (1516, 619840), (1664, 564710), (1895, 495872), (1937, 485120), (2080, 451768), (2384, 394160), (2980, 315328), (3032, 309920), (3328, 282355), (3790, 247936), (3874, 242560), (4160, 225884), (4768, 197080), (4927, 190720), (5960, 157664), (6064, 154960), (7580, 123968), (7748, 121280), (8320, 112942), (9536, 98540), (9685, 97024), (9854, 95360), (11920, 78832), (12128, 77480), (15160, 61984), (15496, 60640), (16640, 56471), (19072, 49270), (19370, 48512), (19708, 47680), (23840, 39416), (24256, 38740), (24635, 38144), (30320, 30992)]