79221240

素因数分解:

$2^3\times 3^4\times 5^1\times 7^2\times {\mathrm{499}}^1$

素因数の和:536

約数の個数: 240

約数和(自身を含む): 310365000

約数和(自身を除く): 231143760

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, 490, 499, 504, 540, 567, 588, 630, 648, 735, 756, 810, 840, 882, 945, 980, 998, 1080, 1134, 1176, 1260, 1323, 1470, 1497, 1512, 1620, 1764, 1890, 1960, 1996, 2205, 2268, 2495, 2520, 2646, 2835, 2940, 2994, 3240, 3493, 3528, 3780, 3969, 3992, 4410, 4491, 4536, 4990, 5292, 5670, 5880, 5988, 6615, 6986, 7485, 7560, 7938, 8820, 8982, 9980, 10479, 10584, 11340, 11976, 13230, 13473, 13972, 14970, 15876, 17465, 17640, 17964, 19845, 19960, 20958, 22455, 22680, 24451, 26460, 26946, 27944, 29940, 31437, 31752, 34930, 35928, 39690, 40419, 41916, 44910, 48902, 52395, 52920, 53892, 59880, 62874, 67365, 69860, 73353, 79380, 80838, 83832, 89820, 94311, 97804, 104790, 107784, 122255, 125748, 134730, 139720, 146706, 157185, 158760, 161676, 179640, 188622, 195608, 202095, 209580, 220059, 244510, 251496, 269460, 282933, 293412, 314370, 323352, 366765, 377244, 404190, 419160, 440118, 471555, 489020, 538920, 565866, 586824, 628740, 660177, 733530, 754488, 808380, 880236, 943110, 978040, 1100295, 1131732, 1257480, 1320354, 1414665, 1467060, 1616760, 1760472, 1886220, 1980531, 2200590, 2263464, 2640708, 2829330, 2934120, 3300885, 3772440, 3961062, 4401180, 5281416, 5658660, 6601770, 7922124, 8802360, 9902655, 11317320, 13203540, 15844248, 19805310, 26407080, 39610620, 79221240]

約数ペア:

[(1, 79221240), (2, 39610620), (3, 26407080), (4, 19805310), (5, 15844248), (6, 13203540), (7, 11317320), (8, 9902655), (9, 8802360), (10, 7922124), (12, 6601770), (14, 5658660), (15, 5281416), (18, 4401180), (20, 3961062), (21, 3772440), (24, 3300885), (27, 2934120), (28, 2829330), (30, 2640708), (35, 2263464), (36, 2200590), (40, 1980531), (42, 1886220), (45, 1760472), (49, 1616760), (54, 1467060), (56, 1414665), (60, 1320354), (63, 1257480), (70, 1131732), (72, 1100295), (81, 978040), (84, 943110), (90, 880236), (98, 808380), (105, 754488), (108, 733530), (120, 660177), (126, 628740), (135, 586824), (140, 565866), (147, 538920), (162, 489020), (168, 471555), (180, 440118), (189, 419160), (196, 404190), (210, 377244), (216, 366765), (245, 323352), (252, 314370), (270, 293412), (280, 282933), (294, 269460), (315, 251496), (324, 244510), (360, 220059), (378, 209580), (392, 202095), (405, 195608), (420, 188622), (441, 179640), (490, 161676), (499, 158760), (504, 157185), (540, 146706), (567, 139720), (588, 134730), (630, 125748), (648, 122255), (735, 107784), (756, 104790), (810, 97804), (840, 94311), (882, 89820), (945, 83832), (980, 80838), (998, 79380), (1080, 73353), (1134, 69860), (1176, 67365), (1260, 62874), (1323, 59880), (1470, 53892), (1497, 52920), (1512, 52395), (1620, 48902), (1764, 44910), (1890, 41916), (1960, 40419), (1996, 39690), (2205, 35928), (2268, 34930), (2495, 31752), (2520, 31437), (2646, 29940), (2835, 27944), (2940, 26946), (2994, 26460), (3240, 24451), (3493, 22680), (3528, 22455), (3780, 20958), (3969, 19960), (3992, 19845), (4410, 17964), (4491, 17640), (4536, 17465), (4990, 15876), (5292, 14970), (5670, 13972), (5880, 13473), (5988, 13230), (6615, 11976), (6986, 11340), (7485, 10584), (7560, 10479), (7938, 9980), (8820, 8982)]