128667840

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{467}}^1$

素因数の和:535

約数の個数: 224

約数和(自身を含む): 479291904

約数和(自身を除く): 350624064

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 41, 42, 48, 56, 60, 64, 70, 80, 82, 84, 96, 105, 112, 120, 123, 140, 160, 164, 168, 192, 205, 210, 224, 240, 246, 280, 287, 320, 328, 336, 410, 420, 448, 467, 480, 492, 560, 574, 615, 656, 672, 820, 840, 861, 934, 960, 984, 1120, 1148, 1230, 1312, 1344, 1401, 1435, 1640, 1680, 1722, 1868, 1968, 2240, 2296, 2335, 2460, 2624, 2802, 2870, 3269, 3280, 3360, 3444, 3736, 3936, 4305, 4592, 4670, 4920, 5604, 5740, 6538, 6560, 6720, 6888, 7005, 7472, 7872, 8610, 9184, 9340, 9807, 9840, 11208, 11480, 13076, 13120, 13776, 14010, 14944, 16345, 17220, 18368, 18680, 19147, 19614, 19680, 22416, 22960, 26152, 27552, 28020, 29888, 32690, 34440, 37360, 38294, 39228, 39360, 44832, 45920, 49035, 52304, 55104, 56040, 57441, 65380, 68880, 74720, 76588, 78456, 89664, 91840, 95735, 98070, 104608, 112080, 114882, 130760, 134029, 137760, 149440, 153176, 156912, 191470, 196140, 209216, 224160, 229764, 261520, 268058, 275520, 287205, 306352, 313824, 382940, 392280, 402087, 448320, 459528, 523040, 536116, 574410, 612704, 627648, 670145, 765880, 784560, 804174, 919056, 1046080, 1072232, 1148820, 1225408, 1340290, 1531760, 1569120, 1608348, 1838112, 2010435, 2144464, 2297640, 2680580, 3063520, 3138240, 3216696, 3676224, 4020870, 4288928, 4595280, 5361160, 6127040, 6433392, 8041740, 8577856, 9190560, 10722320, 12866784, 16083480, 18381120, 21444640, 25733568, 32166960, 42889280, 64333920, 128667840]

約数ペア:

[(1, 128667840), (2, 64333920), (3, 42889280), (4, 32166960), (5, 25733568), (6, 21444640), (7, 18381120), (8, 16083480), (10, 12866784), (12, 10722320), (14, 9190560), (15, 8577856), (16, 8041740), (20, 6433392), (21, 6127040), (24, 5361160), (28, 4595280), (30, 4288928), (32, 4020870), (35, 3676224), (40, 3216696), (41, 3138240), (42, 3063520), (48, 2680580), (56, 2297640), (60, 2144464), (64, 2010435), (70, 1838112), (80, 1608348), (82, 1569120), (84, 1531760), (96, 1340290), (105, 1225408), (112, 1148820), (120, 1072232), (123, 1046080), (140, 919056), (160, 804174), (164, 784560), (168, 765880), (192, 670145), (205, 627648), (210, 612704), (224, 574410), (240, 536116), (246, 523040), (280, 459528), (287, 448320), (320, 402087), (328, 392280), (336, 382940), (410, 313824), (420, 306352), (448, 287205), (467, 275520), (480, 268058), (492, 261520), (560, 229764), (574, 224160), (615, 209216), (656, 196140), (672, 191470), (820, 156912), (840, 153176), (861, 149440), (934, 137760), (960, 134029), (984, 130760), (1120, 114882), (1148, 112080), (1230, 104608), (1312, 98070), (1344, 95735), (1401, 91840), (1435, 89664), (1640, 78456), (1680, 76588), (1722, 74720), (1868, 68880), (1968, 65380), (2240, 57441), (2296, 56040), (2335, 55104), (2460, 52304), (2624, 49035), (2802, 45920), (2870, 44832), (3269, 39360), (3280, 39228), (3360, 38294), (3444, 37360), (3736, 34440), (3936, 32690), (4305, 29888), (4592, 28020), (4670, 27552), (4920, 26152), (5604, 22960), (5740, 22416), (6538, 19680), (6560, 19614), (6720, 19147), (6888, 18680), (7005, 18368), (7472, 17220), (7872, 16345), (8610, 14944), (9184, 14010), (9340, 13776), (9807, 13120), (9840, 13076), (11208, 11480)]