56990120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:459

約数の個数: 128

約数和(自身を含む): 156297600

約数和(自身を除く): 99307480

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 19, 20, 22, 34, 38, 40, 44, 55, 68, 76, 85, 88, 95, 110, 136, 152, 170, 187, 190, 209, 220, 323, 340, 374, 380, 401, 418, 440, 646, 680, 748, 760, 802, 836, 935, 1045, 1292, 1496, 1604, 1615, 1672, 1870, 2005, 2090, 2584, 3208, 3230, 3553, 3740, 4010, 4180, 4411, 6460, 6817, 7106, 7480, 7619, 8020, 8360, 8822, 12920, 13634, 14212, 15238, 16040, 17644, 17765, 22055, 27268, 28424, 30476, 34085, 35288, 35530, 38095, 44110, 54536, 60952, 68170, 71060, 74987, 76190, 83809, 88220, 129523, 136340, 142120, 149974, 152380, 167618, 176440, 259046, 272680, 299948, 304760, 335236, 374935, 419045, 518092, 599896, 647615, 670472, 749870, 838090, 1036184, 1295230, 1424753, 1499740, 1676180, 2590460, 2849506, 2999480, 3352360, 5180920, 5699012, 7123765, 11398024, 14247530, 28495060, 56990120]

約数ペア:

[(1, 56990120), (2, 28495060), (4, 14247530), (5, 11398024), (8, 7123765), (10, 5699012), (11, 5180920), (17, 3352360), (19, 2999480), (20, 2849506), (22, 2590460), (34, 1676180), (38, 1499740), (40, 1424753), (44, 1295230), (55, 1036184), (68, 838090), (76, 749870), (85, 670472), (88, 647615), (95, 599896), (110, 518092), (136, 419045), (152, 374935), (170, 335236), (187, 304760), (190, 299948), (209, 272680), (220, 259046), (323, 176440), (340, 167618), (374, 152380), (380, 149974), (401, 142120), (418, 136340), (440, 129523), (646, 88220), (680, 83809), (748, 76190), (760, 74987), (802, 71060), (836, 68170), (935, 60952), (1045, 54536), (1292, 44110), (1496, 38095), (1604, 35530), (1615, 35288), (1672, 34085), (1870, 30476), (2005, 28424), (2090, 27268), (2584, 22055), (3208, 17765), (3230, 17644), (3553, 16040), (3740, 15238), (4010, 14212), (4180, 13634), (4411, 12920), (6460, 8822), (6817, 8360), (7106, 8020), (7480, 7619)]