80832080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:217

約数の個数: 160

約数和(自身を含む): 231413760

約数和(自身を除く): 150581680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 71, 76, 80, 95, 107, 112, 133, 140, 142, 152, 190, 214, 266, 280, 284, 304, 355, 380, 428, 497, 532, 535, 560, 568, 665, 710, 749, 760, 856, 994, 1064, 1070, 1136, 1330, 1349, 1420, 1498, 1520, 1712, 1988, 2033, 2128, 2140, 2485, 2660, 2698, 2840, 2996, 3745, 3976, 4066, 4280, 4970, 5320, 5396, 5680, 5992, 6745, 7490, 7597, 7952, 8132, 8560, 9443, 9940, 10165, 10640, 10792, 11984, 13490, 14231, 14980, 15194, 16264, 18886, 19880, 20330, 21584, 26980, 28462, 29960, 30388, 32528, 37772, 37985, 39760, 40660, 47215, 53179, 53960, 56924, 59920, 60776, 71155, 75544, 75970, 81320, 94430, 106358, 107920, 113848, 121552, 142310, 144343, 151088, 151940, 162640, 188860, 212716, 227696, 265895, 284620, 288686, 303880, 377720, 425432, 531790, 569240, 577372, 607760, 721715, 755440, 850864, 1010401, 1063580, 1138480, 1154744, 1443430, 2020802, 2127160, 2309488, 2886860, 4041604, 4254320, 5052005, 5773720, 8083208, 10104010, 11547440, 16166416, 20208020, 40416040, 80832080]

約数ペア:

[(1, 80832080), (2, 40416040), (4, 20208020), (5, 16166416), (7, 11547440), (8, 10104010), (10, 8083208), (14, 5773720), (16, 5052005), (19, 4254320), (20, 4041604), (28, 2886860), (35, 2309488), (38, 2127160), (40, 2020802), (56, 1443430), (70, 1154744), (71, 1138480), (76, 1063580), (80, 1010401), (95, 850864), (107, 755440), (112, 721715), (133, 607760), (140, 577372), (142, 569240), (152, 531790), (190, 425432), (214, 377720), (266, 303880), (280, 288686), (284, 284620), (304, 265895), (355, 227696), (380, 212716), (428, 188860), (497, 162640), (532, 151940), (535, 151088), (560, 144343), (568, 142310), (665, 121552), (710, 113848), (749, 107920), (760, 106358), (856, 94430), (994, 81320), (1064, 75970), (1070, 75544), (1136, 71155), (1330, 60776), (1349, 59920), (1420, 56924), (1498, 53960), (1520, 53179), (1712, 47215), (1988, 40660), (2033, 39760), (2128, 37985), (2140, 37772), (2485, 32528), (2660, 30388), (2698, 29960), (2840, 28462), (2996, 26980), (3745, 21584), (3976, 20330), (4066, 19880), (4280, 18886), (4970, 16264), (5320, 15194), (5396, 14980), (5680, 14231), (5992, 13490), (6745, 11984), (7490, 10792), (7597, 10640), (7952, 10165), (8132, 9940), (8560, 9443)]