71283240

素因数分解:

$2^3\times 3^4\times 5^1\times 7^2\times {\mathrm{449}}^1$

素因数の和:486

約数の個数: 240

約数和(自身を含む): 279328500

約数和(自身を除く): 208045260

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 81, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 162, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 324, 360, 378, 392, 405, 420, 441, 449, 490, 504, 540, 567, 588, 630, 648, 735, 756, 810, 840, 882, 898, 945, 980, 1080, 1134, 1176, 1260, 1323, 1347, 1470, 1512, 1620, 1764, 1796, 1890, 1960, 2205, 2245, 2268, 2520, 2646, 2694, 2835, 2940, 3143, 3240, 3528, 3592, 3780, 3969, 4041, 4410, 4490, 4536, 5292, 5388, 5670, 5880, 6286, 6615, 6735, 7560, 7938, 8082, 8820, 8980, 9429, 10584, 10776, 11340, 12123, 12572, 13230, 13470, 15715, 15876, 16164, 17640, 17960, 18858, 19845, 20205, 22001, 22680, 24246, 25144, 26460, 26940, 28287, 31430, 31752, 32328, 36369, 37716, 39690, 40410, 44002, 47145, 48492, 52920, 53880, 56574, 60615, 62860, 66003, 72738, 75432, 79380, 80820, 84861, 88004, 94290, 96984, 110005, 113148, 121230, 125720, 132006, 141435, 145476, 158760, 161640, 169722, 176008, 181845, 188580, 198009, 220010, 226296, 242460, 254583, 264012, 282870, 290952, 330015, 339444, 363690, 377160, 396018, 424305, 440020, 484920, 509166, 528024, 565740, 594027, 660030, 678888, 727380, 792036, 848610, 880040, 990045, 1018332, 1131480, 1188054, 1272915, 1320060, 1454760, 1584072, 1697220, 1782081, 1980090, 2036664, 2376108, 2545830, 2640120, 2970135, 3394440, 3564162, 3960180, 4752216, 5091660, 5940270, 7128324, 7920360, 8910405, 10183320, 11880540, 14256648, 17820810, 23761080, 35641620, 71283240]

約数ペア:

[(1, 71283240), (2, 35641620), (3, 23761080), (4, 17820810), (5, 14256648), (6, 11880540), (7, 10183320), (8, 8910405), (9, 7920360), (10, 7128324), (12, 5940270), (14, 5091660), (15, 4752216), (18, 3960180), (20, 3564162), (21, 3394440), (24, 2970135), (27, 2640120), (28, 2545830), (30, 2376108), (35, 2036664), (36, 1980090), (40, 1782081), (42, 1697220), (45, 1584072), (49, 1454760), (54, 1320060), (56, 1272915), (60, 1188054), (63, 1131480), (70, 1018332), (72, 990045), (81, 880040), (84, 848610), (90, 792036), (98, 727380), (105, 678888), (108, 660030), (120, 594027), (126, 565740), (135, 528024), (140, 509166), (147, 484920), (162, 440020), (168, 424305), (180, 396018), (189, 377160), (196, 363690), (210, 339444), (216, 330015), (245, 290952), (252, 282870), (270, 264012), (280, 254583), (294, 242460), (315, 226296), (324, 220010), (360, 198009), (378, 188580), (392, 181845), (405, 176008), (420, 169722), (441, 161640), (449, 158760), (490, 145476), (504, 141435), (540, 132006), (567, 125720), (588, 121230), (630, 113148), (648, 110005), (735, 96984), (756, 94290), (810, 88004), (840, 84861), (882, 80820), (898, 79380), (945, 75432), (980, 72738), (1080, 66003), (1134, 62860), (1176, 60615), (1260, 56574), (1323, 53880), (1347, 52920), (1470, 48492), (1512, 47145), (1620, 44002), (1764, 40410), (1796, 39690), (1890, 37716), (1960, 36369), (2205, 32328), (2245, 31752), (2268, 31430), (2520, 28287), (2646, 26940), (2694, 26460), (2835, 25144), (2940, 24246), (3143, 22680), (3240, 22001), (3528, 20205), (3592, 19845), (3780, 18858), (3969, 17960), (4041, 17640), (4410, 16164), (4490, 15876), (4536, 15715), (5292, 13470), (5388, 13230), (5670, 12572), (5880, 12123), (6286, 11340), (6615, 10776), (6735, 10584), (7560, 9429), (7938, 8980), (8082, 8820)]