137589160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:227

約数の個数: 128

約数和(自身を含む): 347120640

約数和(自身を除く): 209531480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 61, 62, 68, 85, 107, 122, 124, 136, 155, 170, 214, 244, 248, 305, 310, 340, 428, 488, 527, 535, 610, 620, 680, 856, 1037, 1054, 1070, 1220, 1240, 1819, 1891, 2074, 2108, 2140, 2440, 2635, 3317, 3638, 3782, 4148, 4216, 4280, 5185, 5270, 6527, 6634, 7276, 7564, 8296, 9095, 9455, 10370, 10540, 13054, 13268, 14552, 15128, 16585, 18190, 18910, 20740, 21080, 26108, 26536, 32147, 32635, 33170, 36380, 37820, 41480, 52216, 56389, 64294, 65270, 66340, 72760, 75640, 110959, 112778, 128588, 130540, 132680, 160735, 202337, 221918, 225556, 257176, 261080, 281945, 321470, 404674, 443836, 451112, 554795, 563890, 642940, 809348, 887672, 1011685, 1109590, 1127780, 1285880, 1618696, 2023370, 2219180, 2255560, 3439729, 4046740, 4438360, 6879458, 8093480, 13758916, 17198645, 27517832, 34397290, 68794580, 137589160]

約数ペア:

[(1, 137589160), (2, 68794580), (4, 34397290), (5, 27517832), (8, 17198645), (10, 13758916), (17, 8093480), (20, 6879458), (31, 4438360), (34, 4046740), (40, 3439729), (61, 2255560), (62, 2219180), (68, 2023370), (85, 1618696), (107, 1285880), (122, 1127780), (124, 1109590), (136, 1011685), (155, 887672), (170, 809348), (214, 642940), (244, 563890), (248, 554795), (305, 451112), (310, 443836), (340, 404674), (428, 321470), (488, 281945), (527, 261080), (535, 257176), (610, 225556), (620, 221918), (680, 202337), (856, 160735), (1037, 132680), (1054, 130540), (1070, 128588), (1220, 112778), (1240, 110959), (1819, 75640), (1891, 72760), (2074, 66340), (2108, 65270), (2140, 64294), (2440, 56389), (2635, 52216), (3317, 41480), (3638, 37820), (3782, 36380), (4148, 33170), (4216, 32635), (4280, 32147), (5185, 26536), (5270, 26108), (6527, 21080), (6634, 20740), (7276, 18910), (7564, 18190), (8296, 16585), (9095, 15128), (9455, 14552), (10370, 13268), (10540, 13054)]