1280237040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{797}}^1$

素因数の和:936

約数の個数: 240

約数和(自身を含む): 4538334528

約数和(自身を除く): 3258097488

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 97, 115, 120, 138, 144, 180, 184, 194, 207, 230, 240, 276, 291, 345, 360, 368, 388, 414, 460, 485, 552, 582, 690, 720, 776, 797, 828, 873, 920, 970, 1035, 1104, 1164, 1380, 1455, 1552, 1594, 1656, 1746, 1840, 1940, 2070, 2231, 2328, 2391, 2760, 2910, 3188, 3312, 3492, 3880, 3985, 4140, 4365, 4462, 4656, 4782, 5520, 5820, 6376, 6693, 6984, 7173, 7760, 7970, 8280, 8730, 8924, 9564, 11155, 11640, 11955, 12752, 13386, 13968, 14346, 15940, 16560, 17460, 17848, 18331, 19128, 20079, 22310, 23280, 23910, 26772, 28692, 31880, 33465, 34920, 35696, 35865, 36662, 38256, 40158, 44620, 47820, 53544, 54993, 57384, 63760, 66930, 69840, 71730, 73324, 77309, 80316, 89240, 91655, 95640, 100395, 107088, 109986, 114768, 133860, 143460, 146648, 154618, 160632, 164979, 178480, 183310, 191280, 200790, 219972, 231927, 267720, 274965, 286920, 293296, 309236, 321264, 329958, 366620, 386545, 401580, 439944, 463854, 535440, 549930, 573840, 618472, 659916, 695781, 733240, 773090, 803160, 824895, 879888, 927708, 1099860, 1159635, 1236944, 1319832, 1391562, 1466480, 1546180, 1606320, 1649790, 1778107, 1855416, 2199720, 2319270, 2639664, 2783124, 3092360, 3299580, 3478905, 3556214, 3710832, 4399440, 4638540, 5334321, 5566248, 6184720, 6599160, 6957810, 7112428, 8890535, 9277080, 10668642, 11132496, 13198320, 13915620, 14224856, 16002963, 17781070, 18554160, 21337284, 26671605, 27831240, 28449712, 32005926, 35562140, 42674568, 53343210, 55662480, 64011852, 71124280, 80014815, 85349136, 106686420, 128023704, 142248560, 160029630, 213372840, 256047408, 320059260, 426745680, 640118520, 1280237040]

約数ペア:

[(1, 1280237040), (2, 640118520), (3, 426745680), (4, 320059260), (5, 256047408), (6, 213372840), (8, 160029630), (9, 142248560), (10, 128023704), (12, 106686420), (15, 85349136), (16, 80014815), (18, 71124280), (20, 64011852), (23, 55662480), (24, 53343210), (30, 42674568), (36, 35562140), (40, 32005926), (45, 28449712), (46, 27831240), (48, 26671605), (60, 21337284), (69, 18554160), (72, 17781070), (80, 16002963), (90, 14224856), (92, 13915620), (97, 13198320), (115, 11132496), (120, 10668642), (138, 9277080), (144, 8890535), (180, 7112428), (184, 6957810), (194, 6599160), (207, 6184720), (230, 5566248), (240, 5334321), (276, 4638540), (291, 4399440), (345, 3710832), (360, 3556214), (368, 3478905), (388, 3299580), (414, 3092360), (460, 2783124), (485, 2639664), (552, 2319270), (582, 2199720), (690, 1855416), (720, 1778107), (776, 1649790), (797, 1606320), (828, 1546180), (873, 1466480), (920, 1391562), (970, 1319832), (1035, 1236944), (1104, 1159635), (1164, 1099860), (1380, 927708), (1455, 879888), (1552, 824895), (1594, 803160), (1656, 773090), (1746, 733240), (1840, 695781), (1940, 659916), (2070, 618472), (2231, 573840), (2328, 549930), (2391, 535440), (2760, 463854), (2910, 439944), (3188, 401580), (3312, 386545), (3492, 366620), (3880, 329958), (3985, 321264), (4140, 309236), (4365, 293296), (4462, 286920), (4656, 274965), (4782, 267720), (5520, 231927), (5820, 219972), (6376, 200790), (6693, 191280), (6984, 183310), (7173, 178480), (7760, 164979), (7970, 160632), (8280, 154618), (8730, 146648), (8924, 143460), (9564, 133860), (11155, 114768), (11640, 109986), (11955, 107088), (12752, 100395), (13386, 95640), (13968, 91655), (14346, 89240), (15940, 80316), (16560, 77309), (17460, 73324), (17848, 71730), (18331, 69840), (19128, 66930), (20079, 63760), (22310, 57384), (23280, 54993), (23910, 53544), (26772, 47820), (28692, 44620), (31880, 40158), (33465, 38256), (34920, 36662), (35696, 35865)]