262026880

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:378

約数の個数: 128

約数和(自身を含む): 662722560

約数和(自身を除く): 400695680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 47, 62, 64, 80, 94, 124, 128, 155, 160, 188, 235, 248, 281, 310, 320, 376, 470, 496, 562, 620, 640, 752, 940, 992, 1124, 1240, 1405, 1457, 1504, 1880, 1984, 2248, 2480, 2810, 2914, 3008, 3760, 3968, 4496, 4960, 5620, 5828, 6016, 7285, 7520, 8711, 8992, 9920, 11240, 11656, 13207, 14570, 15040, 17422, 17984, 19840, 22480, 23312, 26414, 29140, 30080, 34844, 35968, 43555, 44960, 46624, 52828, 58280, 66035, 69688, 87110, 89920, 93248, 105656, 116560, 132070, 139376, 174220, 179840, 186496, 211312, 233120, 264140, 278752, 348440, 409417, 422624, 466240, 528280, 557504, 696880, 818834, 845248, 932480, 1056560, 1115008, 1393760, 1637668, 1690496, 2047085, 2113120, 2787520, 3275336, 4094170, 4226240, 5575040, 6550672, 8188340, 8452480, 13101344, 16376680, 26202688, 32753360, 52405376, 65506720, 131013440, 262026880]

約数ペア:

[(1, 262026880), (2, 131013440), (4, 65506720), (5, 52405376), (8, 32753360), (10, 26202688), (16, 16376680), (20, 13101344), (31, 8452480), (32, 8188340), (40, 6550672), (47, 5575040), (62, 4226240), (64, 4094170), (80, 3275336), (94, 2787520), (124, 2113120), (128, 2047085), (155, 1690496), (160, 1637668), (188, 1393760), (235, 1115008), (248, 1056560), (281, 932480), (310, 845248), (320, 818834), (376, 696880), (470, 557504), (496, 528280), (562, 466240), (620, 422624), (640, 409417), (752, 348440), (940, 278752), (992, 264140), (1124, 233120), (1240, 211312), (1405, 186496), (1457, 179840), (1504, 174220), (1880, 139376), (1984, 132070), (2248, 116560), (2480, 105656), (2810, 93248), (2914, 89920), (3008, 87110), (3760, 69688), (3968, 66035), (4496, 58280), (4960, 52828), (5620, 46624), (5828, 44960), (6016, 43555), (7285, 35968), (7520, 34844), (8711, 30080), (8992, 29140), (9920, 26414), (11240, 23312), (11656, 22480), (13207, 19840), (14570, 17984), (15040, 17422)]