1205877780

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{281}}^1\times {\mathrm{883}}^1$

素因数の和:1188

約数の個数: 144

約数和(自身を含む): 3811114944

約数和(自身を除く): 2605237164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 281, 324, 405, 486, 540, 562, 810, 843, 883, 972, 1124, 1215, 1405, 1620, 1686, 1766, 2430, 2529, 2649, 2810, 3372, 3532, 4215, 4415, 4860, 5058, 5298, 5620, 7587, 7947, 8430, 8830, 10116, 10596, 12645, 13245, 15174, 15894, 16860, 17660, 22761, 23841, 25290, 26490, 30348, 31788, 37935, 39735, 45522, 47682, 50580, 52980, 68283, 71523, 75870, 79470, 91044, 95364, 113805, 119205, 136566, 143046, 151740, 158940, 214569, 227610, 238410, 248123, 273132, 286092, 341415, 357615, 429138, 455220, 476820, 496246, 682830, 715230, 744369, 858276, 992492, 1072845, 1240615, 1365660, 1430460, 1488738, 2145690, 2233107, 2481230, 2977476, 3721845, 4291380, 4466214, 4962460, 6699321, 7443690, 8932428, 11165535, 13398642, 14887380, 20097963, 22331070, 26797284, 33496605, 40195926, 44662140, 60293889, 66993210, 80391852, 100489815, 120587778, 133986420, 200979630, 241175556, 301469445, 401959260, 602938890, 1205877780]

約数ペア:

[(1, 1205877780), (2, 602938890), (3, 401959260), (4, 301469445), (5, 241175556), (6, 200979630), (9, 133986420), (10, 120587778), (12, 100489815), (15, 80391852), (18, 66993210), (20, 60293889), (27, 44662140), (30, 40195926), (36, 33496605), (45, 26797284), (54, 22331070), (60, 20097963), (81, 14887380), (90, 13398642), (108, 11165535), (135, 8932428), (162, 7443690), (180, 6699321), (243, 4962460), (270, 4466214), (281, 4291380), (324, 3721845), (405, 2977476), (486, 2481230), (540, 2233107), (562, 2145690), (810, 1488738), (843, 1430460), (883, 1365660), (972, 1240615), (1124, 1072845), (1215, 992492), (1405, 858276), (1620, 744369), (1686, 715230), (1766, 682830), (2430, 496246), (2529, 476820), (2649, 455220), (2810, 429138), (3372, 357615), (3532, 341415), (4215, 286092), (4415, 273132), (4860, 248123), (5058, 238410), (5298, 227610), (5620, 214569), (7587, 158940), (7947, 151740), (8430, 143046), (8830, 136566), (10116, 119205), (10596, 113805), (12645, 95364), (13245, 91044), (15174, 79470), (15894, 75870), (16860, 71523), (17660, 68283), (22761, 52980), (23841, 50580), (25290, 47682), (26490, 45522), (30348, 39735), (31788, 37935)]