399678240

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{379}}^1$

素因数の和:436

約数の個数: 192

約数和(自身を含む): 1367452800

約数和(自身を除く): 967774560

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, 65, 78, 80, 96, 104, 120, 130, 156, 160, 169, 195, 208, 240, 260, 312, 338, 379, 390, 416, 480, 507, 520, 624, 676, 758, 780, 845, 1014, 1040, 1137, 1248, 1352, 1516, 1560, 1690, 1895, 2028, 2080, 2197, 2274, 2535, 2704, 3032, 3120, 3380, 3790, 4056, 4394, 4548, 4927, 5070, 5408, 5685, 6064, 6240, 6591, 6760, 7580, 8112, 8788, 9096, 9854, 10140, 10985, 11370, 12128, 13182, 13520, 14781, 15160, 16224, 17576, 18192, 19708, 20280, 21970, 22740, 24635, 26364, 27040, 29562, 30320, 32955, 35152, 36384, 39416, 40560, 43940, 45480, 49270, 52728, 59124, 60640, 64051, 65910, 70304, 73905, 78832, 81120, 87880, 90960, 98540, 105456, 118248, 128102, 131820, 147810, 157664, 175760, 181920, 192153, 197080, 210912, 236496, 256204, 263640, 295620, 320255, 351520, 384306, 394160, 472992, 512408, 527280, 591240, 640510, 768612, 788320, 832663, 960765, 1024816, 1054560, 1182480, 1281020, 1537224, 1665326, 1921530, 2049632, 2364960, 2497989, 2562040, 3074448, 3330652, 3843060, 4163315, 4995978, 5124080, 6148896, 6661304, 7686120, 8326630, 9991956, 10248160, 12489945, 13322608, 15372240, 16653260, 19983912, 24979890, 26645216, 30744480, 33306520, 39967824, 49959780, 66613040, 79935648, 99919560, 133226080, 199839120, 399678240]

約数ペア:

[(1, 399678240), (2, 199839120), (3, 133226080), (4, 99919560), (5, 79935648), (6, 66613040), (8, 49959780), (10, 39967824), (12, 33306520), (13, 30744480), (15, 26645216), (16, 24979890), (20, 19983912), (24, 16653260), (26, 15372240), (30, 13322608), (32, 12489945), (39, 10248160), (40, 9991956), (48, 8326630), (52, 7686120), (60, 6661304), (65, 6148896), (78, 5124080), (80, 4995978), (96, 4163315), (104, 3843060), (120, 3330652), (130, 3074448), (156, 2562040), (160, 2497989), (169, 2364960), (195, 2049632), (208, 1921530), (240, 1665326), (260, 1537224), (312, 1281020), (338, 1182480), (379, 1054560), (390, 1024816), (416, 960765), (480, 832663), (507, 788320), (520, 768612), (624, 640510), (676, 591240), (758, 527280), (780, 512408), (845, 472992), (1014, 394160), (1040, 384306), (1137, 351520), (1248, 320255), (1352, 295620), (1516, 263640), (1560, 256204), (1690, 236496), (1895, 210912), (2028, 197080), (2080, 192153), (2197, 181920), (2274, 175760), (2535, 157664), (2704, 147810), (3032, 131820), (3120, 128102), (3380, 118248), (3790, 105456), (4056, 98540), (4394, 90960), (4548, 87880), (4927, 81120), (5070, 78832), (5408, 73905), (5685, 70304), (6064, 65910), (6240, 64051), (6591, 60640), (6760, 59124), (7580, 52728), (8112, 49270), (8788, 45480), (9096, 43940), (9854, 40560), (10140, 39416), (10985, 36384), (11370, 35152), (12128, 32955), (13182, 30320), (13520, 29562), (14781, 27040), (15160, 26364), (16224, 24635), (17576, 22740), (18192, 21970), (19708, 20280)]