81128880

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{16097}}^1$

素因数の和:16123

約数の個数: 120

約数和(自身を含む): 311399712

約数和(自身を除く): 230270832

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 16097, 32194, 48291, 64388, 80485, 96582, 112679, 128776, 144873, 160970, 193164, 225358, 241455, 257552, 289746, 321940, 338037, 386328, 450716, 482910, 563395, 579492, 643880, 676074, 724365, 772656, 901432, 965820, 1014111, 1126790, 1158984, 1287760, 1352148, 1448730, 1690185, 1802864, 1931640, 2028222, 2253580, 2317968, 2704296, 2897460, 3380370, 3863280, 4056444, 4507160, 5070555, 5408592, 5794920, 6760740, 8112888, 9014320, 10141110, 11589840, 13521480, 16225776, 20282220, 27042960, 40564440, 81128880]

約数ペア:

[(1, 81128880), (2, 40564440), (3, 27042960), (4, 20282220), (5, 16225776), (6, 13521480), (7, 11589840), (8, 10141110), (9, 9014320), (10, 8112888), (12, 6760740), (14, 5794920), (15, 5408592), (16, 5070555), (18, 4507160), (20, 4056444), (21, 3863280), (24, 3380370), (28, 2897460), (30, 2704296), (35, 2317968), (36, 2253580), (40, 2028222), (42, 1931640), (45, 1802864), (48, 1690185), (56, 1448730), (60, 1352148), (63, 1287760), (70, 1158984), (72, 1126790), (80, 1014111), (84, 965820), (90, 901432), (105, 772656), (112, 724365), (120, 676074), (126, 643880), (140, 579492), (144, 563395), (168, 482910), (180, 450716), (210, 386328), (240, 338037), (252, 321940), (280, 289746), (315, 257552), (336, 241455), (360, 225358), (420, 193164), (504, 160970), (560, 144873), (630, 128776), (720, 112679), (840, 96582), (1008, 80485), (1260, 64388), (1680, 48291), (2520, 32194), (5040, 16097)]