81472160

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1$

素因数の和:439

約数の個数: 192

約数和(自身を含む): 254741760

約数和(自身を除く): 173269600

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 17, 20, 22, 28, 32, 34, 35, 40, 44, 55, 56, 68, 70, 77, 80, 85, 88, 110, 112, 119, 136, 140, 154, 160, 170, 176, 187, 220, 224, 238, 272, 280, 308, 340, 352, 374, 385, 389, 440, 476, 544, 560, 595, 616, 680, 748, 770, 778, 880, 935, 952, 1120, 1190, 1232, 1309, 1360, 1496, 1540, 1556, 1760, 1870, 1904, 1945, 2380, 2464, 2618, 2720, 2723, 2992, 3080, 3112, 3740, 3808, 3890, 4279, 4760, 5236, 5446, 5984, 6160, 6224, 6545, 6613, 7480, 7780, 8558, 9520, 10472, 10892, 12320, 12448, 13090, 13226, 13615, 14960, 15560, 17116, 19040, 20944, 21395, 21784, 26180, 26452, 27230, 29920, 29953, 31120, 33065, 34232, 41888, 42790, 43568, 46291, 52360, 52904, 54460, 59906, 62240, 66130, 68464, 72743, 85580, 87136, 92582, 104720, 105808, 108920, 119812, 132260, 136928, 145486, 149765, 171160, 185164, 209440, 211616, 217840, 231455, 239624, 264520, 290972, 299530, 342320, 363715, 370328, 435680, 462910, 479248, 509201, 529040, 581944, 599060, 684640, 727430, 740656, 925820, 958496, 1018402, 1058080, 1163888, 1198120, 1454860, 1481312, 1851640, 2036804, 2327776, 2396240, 2546005, 2909720, 3703280, 4073608, 4792480, 5092010, 5819440, 7406560, 8147216, 10184020, 11638880, 16294432, 20368040, 40736080, 81472160]

約数ペア:

[(1, 81472160), (2, 40736080), (4, 20368040), (5, 16294432), (7, 11638880), (8, 10184020), (10, 8147216), (11, 7406560), (14, 5819440), (16, 5092010), (17, 4792480), (20, 4073608), (22, 3703280), (28, 2909720), (32, 2546005), (34, 2396240), (35, 2327776), (40, 2036804), (44, 1851640), (55, 1481312), (56, 1454860), (68, 1198120), (70, 1163888), (77, 1058080), (80, 1018402), (85, 958496), (88, 925820), (110, 740656), (112, 727430), (119, 684640), (136, 599060), (140, 581944), (154, 529040), (160, 509201), (170, 479248), (176, 462910), (187, 435680), (220, 370328), (224, 363715), (238, 342320), (272, 299530), (280, 290972), (308, 264520), (340, 239624), (352, 231455), (374, 217840), (385, 211616), (389, 209440), (440, 185164), (476, 171160), (544, 149765), (560, 145486), (595, 136928), (616, 132260), (680, 119812), (748, 108920), (770, 105808), (778, 104720), (880, 92582), (935, 87136), (952, 85580), (1120, 72743), (1190, 68464), (1232, 66130), (1309, 62240), (1360, 59906), (1496, 54460), (1540, 52904), (1556, 52360), (1760, 46291), (1870, 43568), (1904, 42790), (1945, 41888), (2380, 34232), (2464, 33065), (2618, 31120), (2720, 29953), (2723, 29920), (2992, 27230), (3080, 26452), (3112, 26180), (3740, 21784), (3808, 21395), (3890, 20944), (4279, 19040), (4760, 17116), (5236, 15560), (5446, 14960), (5984, 13615), (6160, 13226), (6224, 13090), (6545, 12448), (6613, 12320), (7480, 10892), (7780, 10472), (8558, 9520)]