179684680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:339

約数の個数: 128

約数和(自身を含む): 483655680

約数和(自身を除く): 303971000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 127, 140, 155, 163, 217, 248, 254, 280, 310, 326, 434, 508, 620, 635, 652, 815, 868, 889, 1016, 1085, 1141, 1240, 1270, 1304, 1630, 1736, 1778, 2170, 2282, 2540, 3260, 3556, 3937, 4340, 4445, 4564, 5053, 5080, 5705, 6520, 7112, 7874, 8680, 8890, 9128, 10106, 11410, 15748, 17780, 19685, 20212, 20701, 22820, 25265, 27559, 31496, 35371, 35560, 39370, 40424, 41402, 45640, 50530, 55118, 70742, 78740, 82804, 101060, 103505, 110236, 137795, 141484, 144907, 157480, 165608, 176855, 202120, 207010, 220472, 275590, 282968, 289814, 353710, 414020, 551180, 579628, 641731, 707420, 724535, 828040, 1102360, 1159256, 1283462, 1414840, 1449070, 2566924, 2898140, 3208655, 4492117, 5133848, 5796280, 6417310, 8984234, 12834620, 17968468, 22460585, 25669240, 35936936, 44921170, 89842340, 179684680]

約数ペア:

[(1, 179684680), (2, 89842340), (4, 44921170), (5, 35936936), (7, 25669240), (8, 22460585), (10, 17968468), (14, 12834620), (20, 8984234), (28, 6417310), (31, 5796280), (35, 5133848), (40, 4492117), (56, 3208655), (62, 2898140), (70, 2566924), (124, 1449070), (127, 1414840), (140, 1283462), (155, 1159256), (163, 1102360), (217, 828040), (248, 724535), (254, 707420), (280, 641731), (310, 579628), (326, 551180), (434, 414020), (508, 353710), (620, 289814), (635, 282968), (652, 275590), (815, 220472), (868, 207010), (889, 202120), (1016, 176855), (1085, 165608), (1141, 157480), (1240, 144907), (1270, 141484), (1304, 137795), (1630, 110236), (1736, 103505), (1778, 101060), (2170, 82804), (2282, 78740), (2540, 70742), (3260, 55118), (3556, 50530), (3937, 45640), (4340, 41402), (4445, 40424), (4564, 39370), (5053, 35560), (5080, 35371), (5705, 31496), (6520, 27559), (7112, 25265), (7874, 22820), (8680, 20701), (8890, 20212), (9128, 19685), (10106, 17780), (11410, 15748)]