1278870560

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{42743}}^1$

素因数の和:42786

約数の個数: 96

約数和(自身を含む): 3489962112

約数和(自身を除く): 2211091552

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 160, 170, 176, 187, 220, 272, 340, 352, 374, 440, 544, 680, 748, 880, 935, 1360, 1496, 1760, 1870, 2720, 2992, 3740, 5984, 7480, 14960, 29920, 42743, 85486, 170972, 213715, 341944, 427430, 470173, 683888, 726631, 854860, 940346, 1367776, 1453262, 1709720, 1880692, 2350865, 2906524, 3419440, 3633155, 3761384, 4701730, 5813048, 6838880, 7266310, 7522768, 7992941, 9403460, 11626096, 14532620, 15045536, 15985882, 18806920, 23252192, 29065240, 31971764, 37613840, 39964705, 58130480, 63943528, 75227680, 79929410, 116260960, 127887056, 159858820, 255774112, 319717640, 639435280, 1278870560]

約数ペア:

[(1, 1278870560), (2, 639435280), (4, 319717640), (5, 255774112), (8, 159858820), (10, 127887056), (11, 116260960), (16, 79929410), (17, 75227680), (20, 63943528), (22, 58130480), (32, 39964705), (34, 37613840), (40, 31971764), (44, 29065240), (55, 23252192), (68, 18806920), (80, 15985882), (85, 15045536), (88, 14532620), (110, 11626096), (136, 9403460), (160, 7992941), (170, 7522768), (176, 7266310), (187, 6838880), (220, 5813048), (272, 4701730), (340, 3761384), (352, 3633155), (374, 3419440), (440, 2906524), (544, 2350865), (680, 1880692), (748, 1709720), (880, 1453262), (935, 1367776), (1360, 940346), (1496, 854860), (1760, 726631), (1870, 683888), (2720, 470173), (2992, 427430), (3740, 341944), (5984, 213715), (7480, 170972), (14960, 85486), (29920, 42743)]