1971030360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{66499}}^1$

素因数の和:66545

約数の個数: 128

約数和(自身を含む): 6703200000

約数和(自身を除く): 4732169640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 95, 104, 114, 120, 130, 152, 156, 190, 195, 228, 247, 260, 285, 312, 380, 390, 456, 494, 520, 570, 741, 760, 780, 988, 1140, 1235, 1482, 1560, 1976, 2280, 2470, 2964, 3705, 4940, 5928, 7410, 9880, 14820, 29640, 66499, 132998, 199497, 265996, 332495, 398994, 531992, 664990, 797988, 864487, 997485, 1263481, 1329980, 1595976, 1728974, 1994970, 2526962, 2593461, 2659960, 3457948, 3790443, 3989940, 4322435, 5053924, 5186922, 6317405, 6915896, 7580886, 7979880, 8644870, 10107848, 10373844, 12634810, 12967305, 15161772, 16425253, 17289740, 18952215, 20747688, 25269620, 25934610, 30323544, 32850506, 34579480, 37904430, 49275759, 50539240, 51869220, 65701012, 75808860, 82126265, 98551518, 103738440, 131402024, 151617720, 164252530, 197103036, 246378795, 328505060, 394206072, 492757590, 657010120, 985515180, 1971030360]

約数ペア:

[(1, 1971030360), (2, 985515180), (3, 657010120), (4, 492757590), (5, 394206072), (6, 328505060), (8, 246378795), (10, 197103036), (12, 164252530), (13, 151617720), (15, 131402024), (19, 103738440), (20, 98551518), (24, 82126265), (26, 75808860), (30, 65701012), (38, 51869220), (39, 50539240), (40, 49275759), (52, 37904430), (57, 34579480), (60, 32850506), (65, 30323544), (76, 25934610), (78, 25269620), (95, 20747688), (104, 18952215), (114, 17289740), (120, 16425253), (130, 15161772), (152, 12967305), (156, 12634810), (190, 10373844), (195, 10107848), (228, 8644870), (247, 7979880), (260, 7580886), (285, 6915896), (312, 6317405), (380, 5186922), (390, 5053924), (456, 4322435), (494, 3989940), (520, 3790443), (570, 3457948), (741, 2659960), (760, 2593461), (780, 2526962), (988, 1994970), (1140, 1728974), (1235, 1595976), (1482, 1329980), (1560, 1263481), (1976, 997485), (2280, 864487), (2470, 797988), (2964, 664990), (3705, 531992), (4940, 398994), (5928, 332495), (7410, 265996), (9880, 199497), (14820, 132998), (29640, 66499)]