898980160

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6971}}^1$

素因数の和:7032

約数の個数: 112

約数和(自身を含む): 2380073472

約数和(自身を除く): 1481093312

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 806, 832, 992, 1040, 1240, 1612, 1984, 2015, 2080, 2480, 3224, 4030, 4160, 4960, 6448, 6971, 8060, 9920, 12896, 13942, 16120, 25792, 27884, 32240, 34855, 55768, 64480, 69710, 90623, 111536, 128960, 139420, 181246, 216101, 223072, 278840, 362492, 432202, 446144, 453115, 557680, 724984, 864404, 906230, 1080505, 1115360, 1449968, 1728808, 1812460, 2161010, 2230720, 2809313, 2899936, 3457616, 3624920, 4322020, 5618626, 5799872, 6915232, 7249840, 8644040, 11237252, 13830464, 14046565, 14499680, 17288080, 22474504, 28093130, 28999360, 34576160, 44949008, 56186260, 69152320, 89898016, 112372520, 179796032, 224745040, 449490080, 898980160]

約数ペア:

[(1, 898980160), (2, 449490080), (4, 224745040), (5, 179796032), (8, 112372520), (10, 89898016), (13, 69152320), (16, 56186260), (20, 44949008), (26, 34576160), (31, 28999360), (32, 28093130), (40, 22474504), (52, 17288080), (62, 14499680), (64, 14046565), (65, 13830464), (80, 11237252), (104, 8644040), (124, 7249840), (130, 6915232), (155, 5799872), (160, 5618626), (208, 4322020), (248, 3624920), (260, 3457616), (310, 2899936), (320, 2809313), (403, 2230720), (416, 2161010), (496, 1812460), (520, 1728808), (620, 1449968), (806, 1115360), (832, 1080505), (992, 906230), (1040, 864404), (1240, 724984), (1612, 557680), (1984, 453115), (2015, 446144), (2080, 432202), (2480, 362492), (3224, 278840), (4030, 223072), (4160, 216101), (4960, 181246), (6448, 139420), (6971, 128960), (8060, 111536), (9920, 90623), (12896, 69710), (13942, 64480), (16120, 55768), (25792, 34855), (27884, 32240)]