165719680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:618

約数の個数: 128

約数和(自身を含む): 460028160

約数和(自身を除く): 294308480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 128, 140, 142, 160, 224, 280, 284, 320, 355, 448, 497, 521, 560, 568, 640, 710, 896, 994, 1042, 1120, 1136, 1420, 1988, 2084, 2240, 2272, 2485, 2605, 2840, 3647, 3976, 4168, 4480, 4544, 4970, 5210, 5680, 7294, 7952, 8336, 9088, 9940, 10420, 11360, 14588, 15904, 16672, 18235, 19880, 20840, 22720, 29176, 31808, 33344, 36470, 36991, 39760, 41680, 45440, 58352, 63616, 66688, 72940, 73982, 79520, 83360, 116704, 145880, 147964, 159040, 166720, 184955, 233408, 258937, 291760, 295928, 318080, 333440, 369910, 466816, 517874, 583520, 591856, 739820, 1035748, 1167040, 1183712, 1294685, 1479640, 2071496, 2334080, 2367424, 2589370, 2959280, 4142992, 4734848, 5178740, 5918560, 8285984, 10357480, 11837120, 16571968, 20714960, 23674240, 33143936, 41429920, 82859840, 165719680]

約数ペア:

[(1, 165719680), (2, 82859840), (4, 41429920), (5, 33143936), (7, 23674240), (8, 20714960), (10, 16571968), (14, 11837120), (16, 10357480), (20, 8285984), (28, 5918560), (32, 5178740), (35, 4734848), (40, 4142992), (56, 2959280), (64, 2589370), (70, 2367424), (71, 2334080), (80, 2071496), (112, 1479640), (128, 1294685), (140, 1183712), (142, 1167040), (160, 1035748), (224, 739820), (280, 591856), (284, 583520), (320, 517874), (355, 466816), (448, 369910), (497, 333440), (521, 318080), (560, 295928), (568, 291760), (640, 258937), (710, 233408), (896, 184955), (994, 166720), (1042, 159040), (1120, 147964), (1136, 145880), (1420, 116704), (1988, 83360), (2084, 79520), (2240, 73982), (2272, 72940), (2485, 66688), (2605, 63616), (2840, 58352), (3647, 45440), (3976, 41680), (4168, 39760), (4480, 36991), (4544, 36470), (4970, 33344), (5210, 31808), (5680, 29176), (7294, 22720), (7952, 20840), (8336, 19880), (9088, 18235), (9940, 16672), (10420, 15904), (11360, 14588)]