1111110

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:78

約数の個数: 128

約数和(自身を含む): 3677184

約数和(自身を除く): 2566074

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 13, 14, 15, 21, 22, 26, 30, 33, 35, 37, 39, 42, 55, 65, 66, 70, 74, 77, 78, 91, 105, 110, 111, 130, 143, 154, 165, 182, 185, 195, 210, 222, 231, 259, 273, 286, 330, 370, 385, 390, 407, 429, 455, 462, 481, 518, 546, 555, 715, 770, 777, 814, 858, 910, 962, 1001, 1110, 1155, 1221, 1295, 1365, 1430, 1443, 1554, 2002, 2035, 2145, 2310, 2405, 2442, 2590, 2730, 2849, 2886, 3003, 3367, 3885, 4070, 4290, 4810, 5005, 5291, 5698, 6006, 6105, 6734, 7215, 7770, 8547, 10010, 10101, 10582, 12210, 14245, 14430, 15015, 15873, 16835, 17094, 20202, 26455, 28490, 30030, 31746, 33670, 37037, 42735, 50505, 52910, 74074, 79365, 85470, 101010, 111111, 158730, 185185, 222222, 370370, 555555, 1111110]

約数ペア:

[(1, 1111110), (2, 555555), (3, 370370), (5, 222222), (6, 185185), (7, 158730), (10, 111111), (11, 101010), (13, 85470), (14, 79365), (15, 74074), (21, 52910), (22, 50505), (26, 42735), (30, 37037), (33, 33670), (35, 31746), (37, 30030), (39, 28490), (42, 26455), (55, 20202), (65, 17094), (66, 16835), (70, 15873), (74, 15015), (77, 14430), (78, 14245), (91, 12210), (105, 10582), (110, 10101), (111, 10010), (130, 8547), (143, 7770), (154, 7215), (165, 6734), (182, 6105), (185, 6006), (195, 5698), (210, 5291), (222, 5005), (231, 4810), (259, 4290), (273, 4070), (286, 3885), (330, 3367), (370, 3003), (385, 2886), (390, 2849), (407, 2730), (429, 2590), (455, 2442), (462, 2405), (481, 2310), (518, 2145), (546, 2035), (555, 2002), (715, 1554), (770, 1443), (777, 1430), (814, 1365), (858, 1295), (910, 1221), (962, 1155), (1001, 1110)]