128344720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1129}}^1$

素因数の和:1185

約数の個数: 120

約数和(自身を含む): 359407800

約数和(自身を除く): 231063080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 49, 56, 58, 70, 80, 98, 112, 116, 140, 145, 196, 203, 232, 245, 280, 290, 392, 406, 464, 490, 560, 580, 784, 812, 980, 1015, 1129, 1160, 1421, 1624, 1960, 2030, 2258, 2320, 2842, 3248, 3920, 4060, 4516, 5645, 5684, 7105, 7903, 8120, 9032, 11290, 11368, 14210, 15806, 16240, 18064, 22580, 22736, 28420, 31612, 32741, 39515, 45160, 55321, 56840, 63224, 65482, 79030, 90320, 110642, 113680, 126448, 130964, 158060, 163705, 221284, 229187, 261928, 276605, 316120, 327410, 442568, 458374, 523856, 553210, 632240, 654820, 885136, 916748, 1106420, 1145935, 1309640, 1604309, 1833496, 2212840, 2291870, 2619280, 3208618, 3666992, 4425680, 4583740, 6417236, 8021545, 9167480, 12834472, 16043090, 18334960, 25668944, 32086180, 64172360, 128344720]

約数ペア:

[(1, 128344720), (2, 64172360), (4, 32086180), (5, 25668944), (7, 18334960), (8, 16043090), (10, 12834472), (14, 9167480), (16, 8021545), (20, 6417236), (28, 4583740), (29, 4425680), (35, 3666992), (40, 3208618), (49, 2619280), (56, 2291870), (58, 2212840), (70, 1833496), (80, 1604309), (98, 1309640), (112, 1145935), (116, 1106420), (140, 916748), (145, 885136), (196, 654820), (203, 632240), (232, 553210), (245, 523856), (280, 458374), (290, 442568), (392, 327410), (406, 316120), (464, 276605), (490, 261928), (560, 229187), (580, 221284), (784, 163705), (812, 158060), (980, 130964), (1015, 126448), (1129, 113680), (1160, 110642), (1421, 90320), (1624, 79030), (1960, 65482), (2030, 63224), (2258, 56840), (2320, 55321), (2842, 45160), (3248, 39515), (3920, 32741), (4060, 31612), (4516, 28420), (5645, 22736), (5684, 22580), (7105, 18064), (7903, 16240), (8120, 15806), (9032, 14210), (11290, 11368)]