2222220

素因数分解:

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

素因数の和:80

約数の個数: 192

約数和(自身を含む): 8580096

約数和(自身を除く): 6357876

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 15, 20, 21, 22, 26, 28, 30, 33, 35, 37, 39, 42, 44, 52, 55, 60, 65, 66, 70, 74, 77, 78, 84, 91, 105, 110, 111, 130, 132, 140, 143, 148, 154, 156, 165, 182, 185, 195, 210, 220, 222, 231, 259, 260, 273, 286, 308, 330, 364, 370, 385, 390, 407, 420, 429, 444, 455, 462, 481, 518, 546, 555, 572, 660, 715, 740, 770, 777, 780, 814, 858, 910, 924, 962, 1001, 1036, 1092, 1110, 1155, 1221, 1295, 1365, 1430, 1443, 1540, 1554, 1628, 1716, 1820, 1924, 2002, 2035, 2145, 2220, 2310, 2405, 2442, 2590, 2730, 2849, 2860, 2886, 3003, 3108, 3367, 3885, 4004, 4070, 4290, 4620, 4810, 4884, 5005, 5180, 5291, 5460, 5698, 5772, 6006, 6105, 6734, 7215, 7770, 8140, 8547, 8580, 9620, 10010, 10101, 10582, 11396, 12012, 12210, 13468, 14245, 14430, 15015, 15540, 15873, 16835, 17094, 20020, 20202, 21164, 24420, 26455, 28490, 28860, 30030, 31746, 33670, 34188, 37037, 40404, 42735, 50505, 52910, 56980, 60060, 63492, 67340, 74074, 79365, 85470, 101010, 105820, 111111, 148148, 158730, 170940, 185185, 202020, 222222, 317460, 370370, 444444, 555555, 740740, 1111110, 2222220]

約数ペア:

[(1, 2222220), (2, 1111110), (3, 740740), (4, 555555), (5, 444444), (6, 370370), (7, 317460), (10, 222222), (11, 202020), (12, 185185), (13, 170940), (14, 158730), (15, 148148), (20, 111111), (21, 105820), (22, 101010), (26, 85470), (28, 79365), (30, 74074), (33, 67340), (35, 63492), (37, 60060), (39, 56980), (42, 52910), (44, 50505), (52, 42735), (55, 40404), (60, 37037), (65, 34188), (66, 33670), (70, 31746), (74, 30030), (77, 28860), (78, 28490), (84, 26455), (91, 24420), (105, 21164), (110, 20202), (111, 20020), (130, 17094), (132, 16835), (140, 15873), (143, 15540), (148, 15015), (154, 14430), (156, 14245), (165, 13468), (182, 12210), (185, 12012), (195, 11396), (210, 10582), (220, 10101), (222, 10010), (231, 9620), (259, 8580), (260, 8547), (273, 8140), (286, 7770), (308, 7215), (330, 6734), (364, 6105), (370, 6006), (385, 5772), (390, 5698), (407, 5460), (420, 5291), (429, 5180), (444, 5005), (455, 4884), (462, 4810), (481, 4620), (518, 4290), (546, 4070), (555, 4004), (572, 3885), (660, 3367), (715, 3108), (740, 3003), (770, 2886), (777, 2860), (780, 2849), (814, 2730), (858, 2590), (910, 2442), (924, 2405), (962, 2310), (1001, 2220), (1036, 2145), (1092, 2035), (1110, 2002), (1155, 1924), (1221, 1820), (1295, 1716), (1365, 1628), (1430, 1554), (1443, 1540)]