80280120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:142

約数の個数: 256

約数和(自身を含む): 279936000

約数和(自身を除く): 199655880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 29, 30, 34, 40, 46, 51, 58, 59, 60, 68, 69, 85, 87, 92, 102, 115, 116, 118, 120, 136, 138, 145, 170, 174, 177, 184, 204, 230, 232, 236, 255, 276, 290, 295, 340, 345, 348, 354, 391, 408, 435, 460, 472, 493, 510, 552, 580, 590, 667, 680, 690, 696, 708, 782, 870, 885, 920, 986, 1003, 1020, 1160, 1173, 1180, 1334, 1357, 1380, 1416, 1479, 1564, 1711, 1740, 1770, 1955, 1972, 2001, 2006, 2040, 2346, 2360, 2465, 2668, 2714, 2760, 2958, 3009, 3128, 3335, 3422, 3480, 3540, 3910, 3944, 4002, 4012, 4071, 4692, 4930, 5015, 5133, 5336, 5428, 5865, 5916, 6018, 6670, 6785, 6844, 7080, 7395, 7820, 8004, 8024, 8142, 8555, 9384, 9860, 10005, 10030, 10266, 10856, 11339, 11730, 11832, 12036, 13340, 13570, 13688, 14790, 15045, 15640, 16008, 16284, 17110, 19720, 20010, 20060, 20355, 20532, 22678, 23069, 23460, 24072, 25665, 26680, 27140, 29087, 29580, 30090, 32568, 34017, 34220, 39353, 40020, 40120, 40710, 41064, 45356, 46138, 46920, 51330, 54280, 56695, 58174, 59160, 60180, 68034, 68440, 69207, 78706, 80040, 81420, 87261, 90712, 92276, 102660, 113390, 115345, 116348, 118059, 120360, 136068, 138414, 145435, 157412, 162840, 170085, 174522, 184552, 196765, 205320, 226780, 230690, 232696, 236118, 272136, 276828, 290870, 314824, 340170, 346035, 349044, 393530, 436305, 453560, 461380, 472236, 553656, 581740, 590295, 669001, 680340, 692070, 698088, 787060, 872610, 922760, 944472, 1163480, 1180590, 1338002, 1360680, 1384140, 1574120, 1745220, 2007003, 2361180, 2676004, 2768280, 3345005, 3490440, 4014006, 4722360, 5352008, 6690010, 8028012, 10035015, 13380020, 16056024, 20070030, 26760040, 40140060, 80280120]

約数ペア:

[(1, 80280120), (2, 40140060), (3, 26760040), (4, 20070030), (5, 16056024), (6, 13380020), (8, 10035015), (10, 8028012), (12, 6690010), (15, 5352008), (17, 4722360), (20, 4014006), (23, 3490440), (24, 3345005), (29, 2768280), (30, 2676004), (34, 2361180), (40, 2007003), (46, 1745220), (51, 1574120), (58, 1384140), (59, 1360680), (60, 1338002), (68, 1180590), (69, 1163480), (85, 944472), (87, 922760), (92, 872610), (102, 787060), (115, 698088), (116, 692070), (118, 680340), (120, 669001), (136, 590295), (138, 581740), (145, 553656), (170, 472236), (174, 461380), (177, 453560), (184, 436305), (204, 393530), (230, 349044), (232, 346035), (236, 340170), (255, 314824), (276, 290870), (290, 276828), (295, 272136), (340, 236118), (345, 232696), (348, 230690), (354, 226780), (391, 205320), (408, 196765), (435, 184552), (460, 174522), (472, 170085), (493, 162840), (510, 157412), (552, 145435), (580, 138414), (590, 136068), (667, 120360), (680, 118059), (690, 116348), (696, 115345), (708, 113390), (782, 102660), (870, 92276), (885, 90712), (920, 87261), (986, 81420), (1003, 80040), (1020, 78706), (1160, 69207), (1173, 68440), (1180, 68034), (1334, 60180), (1357, 59160), (1380, 58174), (1416, 56695), (1479, 54280), (1564, 51330), (1711, 46920), (1740, 46138), (1770, 45356), (1955, 41064), (1972, 40710), (2001, 40120), (2006, 40020), (2040, 39353), (2346, 34220), (2360, 34017), (2465, 32568), (2668, 30090), (2714, 29580), (2760, 29087), (2958, 27140), (3009, 26680), (3128, 25665), (3335, 24072), (3422, 23460), (3480, 23069), (3540, 22678), (3910, 20532), (3944, 20355), (4002, 20060), (4012, 20010), (4071, 19720), (4692, 17110), (4930, 16284), (5015, 16008), (5133, 15640), (5336, 15045), (5428, 14790), (5865, 13688), (5916, 13570), (6018, 13340), (6670, 12036), (6785, 11832), (6844, 11730), (7080, 11339), (7395, 10856), (7820, 10266), (8004, 10030), (8024, 10005), (8142, 9860), (8555, 9384)]