256820112

素因数分解:

$2^4\times 3^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{467}}^1$

素因数の和:570

約数の個数: 160

約数和(自身を含む): 789235200

約数和(自身を除く): 532415088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 67, 72, 76, 108, 114, 134, 144, 152, 171, 201, 216, 228, 268, 304, 342, 402, 432, 456, 467, 513, 536, 603, 684, 804, 912, 934, 1026, 1072, 1206, 1273, 1368, 1401, 1608, 1809, 1868, 2052, 2412, 2546, 2736, 2802, 3216, 3618, 3736, 3819, 4104, 4203, 4824, 5092, 5604, 7236, 7472, 7638, 8208, 8406, 8873, 9648, 10184, 11208, 11457, 12609, 14472, 15276, 16812, 17746, 20368, 22416, 22914, 25218, 26619, 28944, 30552, 31289, 33624, 34371, 35492, 45828, 50436, 53238, 61104, 62578, 67248, 68742, 70984, 79857, 91656, 93867, 100872, 106476, 125156, 137484, 141968, 159714, 183312, 187734, 201744, 212952, 239571, 250312, 274968, 281601, 319428, 375468, 425904, 479142, 500624, 549936, 563202, 594491, 638856, 750936, 844803, 958284, 1126404, 1188982, 1277712, 1501872, 1689606, 1783473, 1916568, 2252808, 2377964, 3379212, 3566946, 3833136, 4505616, 4755928, 5350419, 6758424, 7133892, 9511856, 10700838, 13516848, 14267784, 16051257, 21401676, 28535568, 32102514, 42803352, 64205028, 85606704, 128410056, 256820112]

約数ペア:

[(1, 256820112), (2, 128410056), (3, 85606704), (4, 64205028), (6, 42803352), (8, 32102514), (9, 28535568), (12, 21401676), (16, 16051257), (18, 14267784), (19, 13516848), (24, 10700838), (27, 9511856), (36, 7133892), (38, 6758424), (48, 5350419), (54, 4755928), (57, 4505616), (67, 3833136), (72, 3566946), (76, 3379212), (108, 2377964), (114, 2252808), (134, 1916568), (144, 1783473), (152, 1689606), (171, 1501872), (201, 1277712), (216, 1188982), (228, 1126404), (268, 958284), (304, 844803), (342, 750936), (402, 638856), (432, 594491), (456, 563202), (467, 549936), (513, 500624), (536, 479142), (603, 425904), (684, 375468), (804, 319428), (912, 281601), (934, 274968), (1026, 250312), (1072, 239571), (1206, 212952), (1273, 201744), (1368, 187734), (1401, 183312), (1608, 159714), (1809, 141968), (1868, 137484), (2052, 125156), (2412, 106476), (2546, 100872), (2736, 93867), (2802, 91656), (3216, 79857), (3618, 70984), (3736, 68742), (3819, 67248), (4104, 62578), (4203, 61104), (4824, 53238), (5092, 50436), (5604, 45828), (7236, 35492), (7472, 34371), (7638, 33624), (8208, 31289), (8406, 30552), (8873, 28944), (9648, 26619), (10184, 25218), (11208, 22914), (11457, 22416), (12609, 20368), (14472, 17746), (15276, 16812)]