320881080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3881}}^1$

素因数の和:3961

約数の個数: 128

約数和(自身を含む): 1056525120

約数和(自身を除く): 735644040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 53, 60, 65, 78, 104, 106, 120, 130, 156, 159, 195, 212, 260, 265, 312, 318, 390, 424, 520, 530, 636, 689, 780, 795, 1060, 1272, 1378, 1560, 1590, 2067, 2120, 2756, 3180, 3445, 3881, 4134, 5512, 6360, 6890, 7762, 8268, 10335, 11643, 13780, 15524, 16536, 19405, 20670, 23286, 27560, 31048, 38810, 41340, 46572, 50453, 58215, 77620, 82680, 93144, 100906, 116430, 151359, 155240, 201812, 205693, 232860, 252265, 302718, 403624, 411386, 465720, 504530, 605436, 617079, 756795, 822772, 1009060, 1028465, 1210872, 1234158, 1513590, 1645544, 2018120, 2056930, 2468316, 2674009, 3027180, 3085395, 4113860, 4936632, 5348018, 6054360, 6170790, 8022027, 8227720, 10696036, 12341580, 13370045, 16044054, 21392072, 24683160, 26740090, 32088108, 40110135, 53480180, 64176216, 80220270, 106960360, 160440540, 320881080]

約数ペア:

[(1, 320881080), (2, 160440540), (3, 106960360), (4, 80220270), (5, 64176216), (6, 53480180), (8, 40110135), (10, 32088108), (12, 26740090), (13, 24683160), (15, 21392072), (20, 16044054), (24, 13370045), (26, 12341580), (30, 10696036), (39, 8227720), (40, 8022027), (52, 6170790), (53, 6054360), (60, 5348018), (65, 4936632), (78, 4113860), (104, 3085395), (106, 3027180), (120, 2674009), (130, 2468316), (156, 2056930), (159, 2018120), (195, 1645544), (212, 1513590), (260, 1234158), (265, 1210872), (312, 1028465), (318, 1009060), (390, 822772), (424, 756795), (520, 617079), (530, 605436), (636, 504530), (689, 465720), (780, 411386), (795, 403624), (1060, 302718), (1272, 252265), (1378, 232860), (1560, 205693), (1590, 201812), (2067, 155240), (2120, 151359), (2756, 116430), (3180, 100906), (3445, 93144), (3881, 82680), (4134, 77620), (5512, 58215), (6360, 50453), (6890, 46572), (7762, 41340), (8268, 38810), (10335, 31048), (11643, 27560), (13780, 23286), (15524, 20670), (16536, 19405)]