81480360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2749}}^1$

素因数の和:2795

約数の個数: 128

約数和(自身を含む): 277200000

約数和(自身を除く): 195719640

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, 2749, 2964, 3705, 4940, 5498, 5928, 7410, 8247, 9880, 10996, 13745, 14820, 16494, 21992, 27490, 29640, 32988, 35737, 41235, 52231, 54980, 65976, 71474, 82470, 104462, 107211, 109960, 142948, 156693, 164940, 178685, 208924, 214422, 261155, 285896, 313386, 329880, 357370, 417848, 428844, 522310, 536055, 626772, 679003, 714740, 783465, 857688, 1044620, 1072110, 1253544, 1358006, 1429480, 1566930, 2037009, 2089240, 2144220, 2716012, 3133860, 3395015, 4074018, 4288440, 5432024, 6267720, 6790030, 8148036, 10185045, 13580060, 16296072, 20370090, 27160120, 40740180, 81480360]

約数ペア:

[(1, 81480360), (2, 40740180), (3, 27160120), (4, 20370090), (5, 16296072), (6, 13580060), (8, 10185045), (10, 8148036), (12, 6790030), (13, 6267720), (15, 5432024), (19, 4288440), (20, 4074018), (24, 3395015), (26, 3133860), (30, 2716012), (38, 2144220), (39, 2089240), (40, 2037009), (52, 1566930), (57, 1429480), (60, 1358006), (65, 1253544), (76, 1072110), (78, 1044620), (95, 857688), (104, 783465), (114, 714740), (120, 679003), (130, 626772), (152, 536055), (156, 522310), (190, 428844), (195, 417848), (228, 357370), (247, 329880), (260, 313386), (285, 285896), (312, 261155), (380, 214422), (390, 208924), (456, 178685), (494, 164940), (520, 156693), (570, 142948), (741, 109960), (760, 107211), (780, 104462), (988, 82470), (1140, 71474), (1235, 65976), (1482, 54980), (1560, 52231), (1976, 41235), (2280, 35737), (2470, 32988), (2749, 29640), (2964, 27490), (3705, 21992), (4940, 16494), (5498, 14820), (5928, 13745), (7410, 10996), (8247, 9880)]