81732960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{269}}^1$

素因数の和:501

約数の個数: 144

約数和(自身を含む): 281277360

約数和(自身を除く): 199544400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 211, 240, 269, 288, 360, 422, 480, 538, 633, 720, 807, 844, 1055, 1076, 1266, 1345, 1440, 1614, 1688, 1899, 2110, 2152, 2421, 2532, 2690, 3165, 3228, 3376, 3798, 4035, 4220, 4304, 4842, 5064, 5380, 6330, 6456, 6752, 7596, 8070, 8440, 8608, 9495, 9684, 10128, 10760, 12105, 12660, 12912, 15192, 16140, 16880, 18990, 19368, 20256, 21520, 24210, 25320, 25824, 30384, 32280, 33760, 37980, 38736, 43040, 48420, 50640, 56759, 60768, 64560, 75960, 77472, 96840, 101280, 113518, 129120, 151920, 170277, 193680, 227036, 283795, 303840, 340554, 387360, 454072, 510831, 567590, 681108, 851385, 908144, 1021662, 1135180, 1362216, 1702770, 1816288, 2043324, 2270360, 2554155, 2724432, 3405540, 4086648, 4540720, 5108310, 5448864, 6811080, 8173296, 9081440, 10216620, 13622160, 16346592, 20433240, 27244320, 40866480, 81732960]

約数ペア:

[(1, 81732960), (2, 40866480), (3, 27244320), (4, 20433240), (5, 16346592), (6, 13622160), (8, 10216620), (9, 9081440), (10, 8173296), (12, 6811080), (15, 5448864), (16, 5108310), (18, 4540720), (20, 4086648), (24, 3405540), (30, 2724432), (32, 2554155), (36, 2270360), (40, 2043324), (45, 1816288), (48, 1702770), (60, 1362216), (72, 1135180), (80, 1021662), (90, 908144), (96, 851385), (120, 681108), (144, 567590), (160, 510831), (180, 454072), (211, 387360), (240, 340554), (269, 303840), (288, 283795), (360, 227036), (422, 193680), (480, 170277), (538, 151920), (633, 129120), (720, 113518), (807, 101280), (844, 96840), (1055, 77472), (1076, 75960), (1266, 64560), (1345, 60768), (1440, 56759), (1614, 50640), (1688, 48420), (1899, 43040), (2110, 38736), (2152, 37980), (2421, 33760), (2532, 32280), (2690, 30384), (3165, 25824), (3228, 25320), (3376, 24210), (3798, 21520), (4035, 20256), (4220, 19368), (4304, 18990), (4842, 16880), (5064, 16140), (5380, 15192), (6330, 12912), (6456, 12660), (6752, 12105), (7596, 10760), (8070, 10128), (8440, 9684), (8608, 9495)]