4444440

素因数分解:

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

素因数の和:82

約数の個数: 256

約数和(自身を含む): 18385920

約数和(自身を除く): 13941480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 20, 21, 22, 24, 26, 28, 30, 33, 35, 37, 39, 40, 42, 44, 52, 55, 56, 60, 65, 66, 70, 74, 77, 78, 84, 88, 91, 104, 105, 110, 111, 120, 130, 132, 140, 143, 148, 154, 156, 165, 168, 182, 185, 195, 210, 220, 222, 231, 259, 260, 264, 273, 280, 286, 296, 308, 312, 330, 364, 370, 385, 390, 407, 420, 429, 440, 444, 455, 462, 481, 518, 520, 546, 555, 572, 616, 660, 715, 728, 740, 770, 777, 780, 814, 840, 858, 888, 910, 924, 962, 1001, 1036, 1092, 1110, 1144, 1155, 1221, 1295, 1320, 1365, 1430, 1443, 1480, 1540, 1554, 1560, 1628, 1716, 1820, 1848, 1924, 2002, 2035, 2072, 2145, 2184, 2220, 2310, 2405, 2442, 2590, 2730, 2849, 2860, 2886, 3003, 3080, 3108, 3256, 3367, 3432, 3640, 3848, 3885, 4004, 4070, 4290, 4440, 4620, 4810, 4884, 5005, 5180, 5291, 5460, 5698, 5720, 5772, 6006, 6105, 6216, 6734, 7215, 7770, 8008, 8140, 8547, 8580, 9240, 9620, 9768, 10010, 10101, 10360, 10582, 10920, 11396, 11544, 12012, 12210, 13468, 14245, 14430, 15015, 15540, 15873, 16280, 16835, 17094, 17160, 19240, 20020, 20202, 21164, 22792, 24024, 24420, 26455, 26936, 28490, 28860, 30030, 31080, 31746, 33670, 34188, 37037, 40040, 40404, 42328, 42735, 48840, 50505, 52910, 56980, 57720, 60060, 63492, 67340, 68376, 74074, 79365, 80808, 85470, 101010, 105820, 111111, 113960, 120120, 126984, 134680, 148148, 158730, 170940, 185185, 202020, 211640, 222222, 296296, 317460, 341880, 370370, 404040, 444444, 555555, 634920, 740740, 888888, 1111110, 1481480, 2222220, 4444440]

約数ペア:

[(1, 4444440), (2, 2222220), (3, 1481480), (4, 1111110), (5, 888888), (6, 740740), (7, 634920), (8, 555555), (10, 444444), (11, 404040), (12, 370370), (13, 341880), (14, 317460), (15, 296296), (20, 222222), (21, 211640), (22, 202020), (24, 185185), (26, 170940), (28, 158730), (30, 148148), (33, 134680), (35, 126984), (37, 120120), (39, 113960), (40, 111111), (42, 105820), (44, 101010), (52, 85470), (55, 80808), (56, 79365), (60, 74074), (65, 68376), (66, 67340), (70, 63492), (74, 60060), (77, 57720), (78, 56980), (84, 52910), (88, 50505), (91, 48840), (104, 42735), (105, 42328), (110, 40404), (111, 40040), (120, 37037), (130, 34188), (132, 33670), (140, 31746), (143, 31080), (148, 30030), (154, 28860), (156, 28490), (165, 26936), (168, 26455), (182, 24420), (185, 24024), (195, 22792), (210, 21164), (220, 20202), (222, 20020), (231, 19240), (259, 17160), (260, 17094), (264, 16835), (273, 16280), (280, 15873), (286, 15540), (296, 15015), (308, 14430), (312, 14245), (330, 13468), (364, 12210), (370, 12012), (385, 11544), (390, 11396), (407, 10920), (420, 10582), (429, 10360), (440, 10101), (444, 10010), (455, 9768), (462, 9620), (481, 9240), (518, 8580), (520, 8547), (546, 8140), (555, 8008), (572, 7770), (616, 7215), (660, 6734), (715, 6216), (728, 6105), (740, 6006), (770, 5772), (777, 5720), (780, 5698), (814, 5460), (840, 5291), (858, 5180), (888, 5005), (910, 4884), (924, 4810), (962, 4620), (1001, 4440), (1036, 4290), (1092, 4070), (1110, 4004), (1144, 3885), (1155, 3848), (1221, 3640), (1295, 3432), (1320, 3367), (1365, 3256), (1430, 3108), (1443, 3080), (1480, 3003), (1540, 2886), (1554, 2860), (1560, 2849), (1628, 2730), (1716, 2590), (1820, 2442), (1848, 2405), (1924, 2310), (2002, 2220), (2035, 2184), (2072, 2145)]