221469360

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{547}}^1$

素因数の和:811

約数の個数: 160

約数和(自身を含む): 789330432

約数和(自身を除く): 567861072

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 241, 280, 336, 420, 482, 547, 560, 723, 840, 964, 1094, 1205, 1446, 1641, 1680, 1687, 1928, 2188, 2410, 2735, 2892, 3282, 3374, 3615, 3829, 3856, 4376, 4820, 5061, 5470, 5784, 6564, 6748, 7230, 7658, 8205, 8435, 8752, 9640, 10122, 10940, 11487, 11568, 13128, 13496, 14460, 15316, 16410, 16870, 19145, 19280, 20244, 21880, 22974, 25305, 26256, 26992, 28920, 30632, 32820, 33740, 38290, 40488, 43760, 45948, 50610, 57435, 57840, 61264, 65640, 67480, 76580, 80976, 91896, 101220, 114870, 131280, 131827, 134960, 153160, 183792, 202440, 229740, 263654, 306320, 395481, 404880, 459480, 527308, 659135, 790962, 918960, 922789, 1054616, 1318270, 1581924, 1845578, 1977405, 2109232, 2636540, 2768367, 3163848, 3691156, 3954810, 4613945, 5273080, 5536734, 6327696, 7382312, 7909620, 9227890, 10546160, 11073468, 13841835, 14764624, 15819240, 18455780, 22146936, 27683670, 31638480, 36911560, 44293872, 55367340, 73823120, 110734680, 221469360]

約数ペア:

[(1, 221469360), (2, 110734680), (3, 73823120), (4, 55367340), (5, 44293872), (6, 36911560), (7, 31638480), (8, 27683670), (10, 22146936), (12, 18455780), (14, 15819240), (15, 14764624), (16, 13841835), (20, 11073468), (21, 10546160), (24, 9227890), (28, 7909620), (30, 7382312), (35, 6327696), (40, 5536734), (42, 5273080), (48, 4613945), (56, 3954810), (60, 3691156), (70, 3163848), (80, 2768367), (84, 2636540), (105, 2109232), (112, 1977405), (120, 1845578), (140, 1581924), (168, 1318270), (210, 1054616), (240, 922789), (241, 918960), (280, 790962), (336, 659135), (420, 527308), (482, 459480), (547, 404880), (560, 395481), (723, 306320), (840, 263654), (964, 229740), (1094, 202440), (1205, 183792), (1446, 153160), (1641, 134960), (1680, 131827), (1687, 131280), (1928, 114870), (2188, 101220), (2410, 91896), (2735, 80976), (2892, 76580), (3282, 67480), (3374, 65640), (3615, 61264), (3829, 57840), (3856, 57435), (4376, 50610), (4820, 45948), (5061, 43760), (5470, 40488), (5784, 38290), (6564, 33740), (6748, 32820), (7230, 30632), (7658, 28920), (8205, 26992), (8435, 26256), (8752, 25305), (9640, 22974), (10122, 21880), (10940, 20244), (11487, 19280), (11568, 19145), (13128, 16870), (13496, 16410), (14460, 15316)]