138379920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^3\times {\mathrm{41}}^2$

素因数の和:119

約数の個数: 240

約数和(自身を含む): 512764800

約数和(自身を除く): 374384880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 41, 42, 48, 49, 56, 60, 70, 80, 82, 84, 98, 105, 112, 120, 123, 140, 147, 164, 168, 196, 205, 210, 240, 245, 246, 280, 287, 294, 328, 336, 343, 392, 410, 420, 490, 492, 560, 574, 588, 615, 656, 686, 735, 784, 820, 840, 861, 980, 984, 1029, 1148, 1176, 1230, 1372, 1435, 1470, 1640, 1680, 1681, 1715, 1722, 1960, 1968, 2009, 2058, 2296, 2352, 2460, 2744, 2870, 2940, 3280, 3362, 3430, 3444, 3920, 4018, 4116, 4305, 4592, 4920, 5043, 5145, 5488, 5740, 5880, 6027, 6724, 6860, 6888, 8036, 8232, 8405, 8610, 9840, 10045, 10086, 10290, 11480, 11760, 11767, 12054, 13448, 13720, 13776, 14063, 16072, 16464, 16810, 17220, 20090, 20172, 20580, 22960, 23534, 24108, 25215, 26896, 27440, 28126, 30135, 32144, 33620, 34440, 35301, 40180, 40344, 41160, 42189, 47068, 48216, 50430, 56252, 58835, 60270, 67240, 68880, 70315, 70602, 80360, 80688, 82320, 82369, 84378, 94136, 96432, 100860, 112504, 117670, 120540, 134480, 140630, 141204, 160720, 164738, 168756, 176505, 188272, 201720, 210945, 225008, 235340, 241080, 247107, 281260, 282408, 329476, 337512, 353010, 403440, 411845, 421890, 470680, 482160, 494214, 562520, 564816, 576583, 658952, 675024, 706020, 823690, 843780, 941360, 988428, 1125040, 1153166, 1235535, 1317904, 1412040, 1647380, 1687560, 1729749, 1976856, 2306332, 2471070, 2824080, 2882915, 3294760, 3375120, 3459498, 3953712, 4612664, 4942140, 5765830, 6589520, 6918996, 8648745, 9225328, 9884280, 11531660, 13837992, 17297490, 19768560, 23063320, 27675984, 34594980, 46126640, 69189960, 138379920]

約数ペア:

[(1, 138379920), (2, 69189960), (3, 46126640), (4, 34594980), (5, 27675984), (6, 23063320), (7, 19768560), (8, 17297490), (10, 13837992), (12, 11531660), (14, 9884280), (15, 9225328), (16, 8648745), (20, 6918996), (21, 6589520), (24, 5765830), (28, 4942140), (30, 4612664), (35, 3953712), (40, 3459498), (41, 3375120), (42, 3294760), (48, 2882915), (49, 2824080), (56, 2471070), (60, 2306332), (70, 1976856), (80, 1729749), (82, 1687560), (84, 1647380), (98, 1412040), (105, 1317904), (112, 1235535), (120, 1153166), (123, 1125040), (140, 988428), (147, 941360), (164, 843780), (168, 823690), (196, 706020), (205, 675024), (210, 658952), (240, 576583), (245, 564816), (246, 562520), (280, 494214), (287, 482160), (294, 470680), (328, 421890), (336, 411845), (343, 403440), (392, 353010), (410, 337512), (420, 329476), (490, 282408), (492, 281260), (560, 247107), (574, 241080), (588, 235340), (615, 225008), (656, 210945), (686, 201720), (735, 188272), (784, 176505), (820, 168756), (840, 164738), (861, 160720), (980, 141204), (984, 140630), (1029, 134480), (1148, 120540), (1176, 117670), (1230, 112504), (1372, 100860), (1435, 96432), (1470, 94136), (1640, 84378), (1680, 82369), (1681, 82320), (1715, 80688), (1722, 80360), (1960, 70602), (1968, 70315), (2009, 68880), (2058, 67240), (2296, 60270), (2352, 58835), (2460, 56252), (2744, 50430), (2870, 48216), (2940, 47068), (3280, 42189), (3362, 41160), (3430, 40344), (3444, 40180), (3920, 35301), (4018, 34440), (4116, 33620), (4305, 32144), (4592, 30135), (4920, 28126), (5043, 27440), (5145, 26896), (5488, 25215), (5740, 24108), (5880, 23534), (6027, 22960), (6724, 20580), (6860, 20172), (6888, 20090), (8036, 17220), (8232, 16810), (8405, 16464), (8610, 16072), (9840, 14063), (10045, 13776), (10086, 13720), (10290, 13448), (11480, 12054), (11760, 11767)]