1649431680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{66083}}^1$

素因数の和:66118

約数の個数: 128

約数和(自身を含む): 5662077120

約数和(自身を除く): 4012645440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 12480, 24960, 66083, 132166, 198249, 264332, 330415, 396498, 528664, 660830, 792996, 859079, 991245, 1057328, 1321660, 1585992, 1718158, 1982490, 2114656, 2577237, 2643320, 3171984, 3436316, 3964980, 4229312, 4295395, 5154474, 5286640, 6343968, 6872632, 7929960, 8458624, 8590790, 10308948, 10573280, 12687936, 12886185, 13745264, 15859920, 17181580, 20617896, 21146560, 25375872, 25772370, 27490528, 31719840, 34363160, 41235792, 42293120, 51544740, 54981056, 63439680, 68726320, 82471584, 103089480, 109962112, 126879360, 137452640, 164943168, 206178960, 274905280, 329886336, 412357920, 549810560, 824715840, 1649431680]

約数ペア:

[(1, 1649431680), (2, 824715840), (3, 549810560), (4, 412357920), (5, 329886336), (6, 274905280), (8, 206178960), (10, 164943168), (12, 137452640), (13, 126879360), (15, 109962112), (16, 103089480), (20, 82471584), (24, 68726320), (26, 63439680), (30, 54981056), (32, 51544740), (39, 42293120), (40, 41235792), (48, 34363160), (52, 31719840), (60, 27490528), (64, 25772370), (65, 25375872), (78, 21146560), (80, 20617896), (96, 17181580), (104, 15859920), (120, 13745264), (128, 12886185), (130, 12687936), (156, 10573280), (160, 10308948), (192, 8590790), (195, 8458624), (208, 7929960), (240, 6872632), (260, 6343968), (312, 5286640), (320, 5154474), (384, 4295395), (390, 4229312), (416, 3964980), (480, 3436316), (520, 3171984), (624, 2643320), (640, 2577237), (780, 2114656), (832, 1982490), (960, 1718158), (1040, 1585992), (1248, 1321660), (1560, 1057328), (1664, 991245), (1920, 859079), (2080, 792996), (2496, 660830), (3120, 528664), (4160, 396498), (4992, 330415), (6240, 264332), (8320, 198249), (12480, 132166), (24960, 66083)]