16656480

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:333

約数の個数: 144

約数和(自身を含む): 58378320

約数和(自身を除く): 41721840

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, 269, 288, 344, 360, 387, 430, 480, 516, 538, 645, 688, 720, 774, 807, 860, 1032, 1076, 1290, 1345, 1376, 1440, 1548, 1614, 1720, 1935, 2064, 2152, 2421, 2580, 2690, 3096, 3228, 3440, 3870, 4035, 4128, 4304, 4842, 5160, 5380, 6192, 6456, 6880, 7740, 8070, 8608, 9684, 10320, 10760, 11567, 12105, 12384, 12912, 15480, 16140, 19368, 20640, 21520, 23134, 24210, 25824, 30960, 32280, 34701, 38736, 43040, 46268, 48420, 57835, 61920, 64560, 69402, 77472, 92536, 96840, 104103, 115670, 129120, 138804, 173505, 185072, 193680, 208206, 231340, 277608, 347010, 370144, 387360, 416412, 462680, 520515, 555216, 694020, 832824, 925360, 1041030, 1110432, 1388040, 1665648, 1850720, 2082060, 2776080, 3331296, 4164120, 5552160, 8328240, 16656480]

約数ペア:

[(1, 16656480), (2, 8328240), (3, 5552160), (4, 4164120), (5, 3331296), (6, 2776080), (8, 2082060), (9, 1850720), (10, 1665648), (12, 1388040), (15, 1110432), (16, 1041030), (18, 925360), (20, 832824), (24, 694020), (30, 555216), (32, 520515), (36, 462680), (40, 416412), (43, 387360), (45, 370144), (48, 347010), (60, 277608), (72, 231340), (80, 208206), (86, 193680), (90, 185072), (96, 173505), (120, 138804), (129, 129120), (144, 115670), (160, 104103), (172, 96840), (180, 92536), (215, 77472), (240, 69402), (258, 64560), (269, 61920), (288, 57835), (344, 48420), (360, 46268), (387, 43040), (430, 38736), (480, 34701), (516, 32280), (538, 30960), (645, 25824), (688, 24210), (720, 23134), (774, 21520), (807, 20640), (860, 19368), (1032, 16140), (1076, 15480), (1290, 12912), (1345, 12384), (1376, 12105), (1440, 11567), (1548, 10760), (1614, 10320), (1720, 9684), (1935, 8608), (2064, 8070), (2152, 7740), (2421, 6880), (2580, 6456), (2690, 6192), (3096, 5380), (3228, 5160), (3440, 4842), (3870, 4304), (4035, 4128)]