42786720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{691}}^1$

素因数の和:755

約数の個数: 144

約数和(自身を含む): 149621472

約数和(自身を除く): 106834752

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 96, 120, 129, 144, 160, 172, 180, 215, 240, 258, 288, 344, 360, 387, 430, 480, 516, 645, 688, 691, 720, 774, 860, 1032, 1290, 1376, 1382, 1440, 1548, 1720, 1935, 2064, 2073, 2580, 2764, 3096, 3440, 3455, 3870, 4128, 4146, 5160, 5528, 6192, 6219, 6880, 6910, 7740, 8292, 10320, 10365, 11056, 12384, 12438, 13820, 15480, 16584, 20640, 20730, 22112, 24876, 27640, 29713, 30960, 31095, 33168, 41460, 49752, 55280, 59426, 61920, 62190, 66336, 82920, 89139, 99504, 110560, 118852, 124380, 148565, 165840, 178278, 199008, 237704, 248760, 267417, 297130, 331680, 356556, 445695, 475408, 497520, 534834, 594260, 713112, 891390, 950816, 995040, 1069668, 1188520, 1337085, 1426224, 1782780, 2139336, 2377040, 2674170, 2852448, 3565560, 4278672, 4754080, 5348340, 7131120, 8557344, 10696680, 14262240, 21393360, 42786720]

約数ペア:

[(1, 42786720), (2, 21393360), (3, 14262240), (4, 10696680), (5, 8557344), (6, 7131120), (8, 5348340), (9, 4754080), (10, 4278672), (12, 3565560), (15, 2852448), (16, 2674170), (18, 2377040), (20, 2139336), (24, 1782780), (30, 1426224), (32, 1337085), (36, 1188520), (40, 1069668), (43, 995040), (45, 950816), (48, 891390), (60, 713112), (72, 594260), (80, 534834), (86, 497520), (90, 475408), (96, 445695), (120, 356556), (129, 331680), (144, 297130), (160, 267417), (172, 248760), (180, 237704), (215, 199008), (240, 178278), (258, 165840), (288, 148565), (344, 124380), (360, 118852), (387, 110560), (430, 99504), (480, 89139), (516, 82920), (645, 66336), (688, 62190), (691, 61920), (720, 59426), (774, 55280), (860, 49752), (1032, 41460), (1290, 33168), (1376, 31095), (1382, 30960), (1440, 29713), (1548, 27640), (1720, 24876), (1935, 22112), (2064, 20730), (2073, 20640), (2580, 16584), (2764, 15480), (3096, 13820), (3440, 12438), (3455, 12384), (3870, 11056), (4128, 10365), (4146, 10320), (5160, 8292), (5528, 7740), (6192, 6910), (6219, 6880)]