128950640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17713}}^1$

素因数の和:17746

約数の個数: 80

約数和(自身を含む): 369018048

約数和(自身を除く): 240067408

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 17713, 35426, 70852, 88565, 123991, 141704, 177130, 230269, 247982, 283408, 354260, 460538, 495964, 619955, 708520, 921076, 991928, 1151345, 1239910, 1417040, 1611883, 1842152, 1983856, 2302690, 2479820, 3223766, 3684304, 4605380, 4959640, 6447532, 8059415, 9210760, 9919280, 12895064, 16118830, 18421520, 25790128, 32237660, 64475320, 128950640]

約数ペア:

[(1, 128950640), (2, 64475320), (4, 32237660), (5, 25790128), (7, 18421520), (8, 16118830), (10, 12895064), (13, 9919280), (14, 9210760), (16, 8059415), (20, 6447532), (26, 4959640), (28, 4605380), (35, 3684304), (40, 3223766), (52, 2479820), (56, 2302690), (65, 1983856), (70, 1842152), (80, 1611883), (91, 1417040), (104, 1239910), (112, 1151345), (130, 991928), (140, 921076), (182, 708520), (208, 619955), (260, 495964), (280, 460538), (364, 354260), (455, 283408), (520, 247982), (560, 230269), (728, 177130), (910, 141704), (1040, 123991), (1456, 88565), (1820, 70852), (3640, 35426), (7280, 17713)]