71457840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1627}}^1$

素因数の和:1707

約数の個数: 120

約数和(自身を含む): 244063248

約数和(自身を除く): 172605408

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 90, 120, 122, 144, 180, 183, 240, 244, 305, 360, 366, 488, 549, 610, 720, 732, 915, 976, 1098, 1220, 1464, 1627, 1830, 2196, 2440, 2745, 2928, 3254, 3660, 4392, 4880, 4881, 5490, 6508, 7320, 8135, 8784, 9762, 10980, 13016, 14640, 14643, 16270, 19524, 21960, 24405, 26032, 29286, 32540, 39048, 43920, 48810, 58572, 65080, 73215, 78096, 97620, 99247, 117144, 130160, 146430, 195240, 198494, 234288, 292860, 297741, 390480, 396988, 496235, 585720, 595482, 793976, 893223, 992470, 1171440, 1190964, 1488705, 1587952, 1786446, 1984940, 2381928, 2977410, 3572892, 3969880, 4466115, 4763856, 5954820, 7145784, 7939760, 8932230, 11909640, 14291568, 17864460, 23819280, 35728920, 71457840]

約数ペア:

[(1, 71457840), (2, 35728920), (3, 23819280), (4, 17864460), (5, 14291568), (6, 11909640), (8, 8932230), (9, 7939760), (10, 7145784), (12, 5954820), (15, 4763856), (16, 4466115), (18, 3969880), (20, 3572892), (24, 2977410), (30, 2381928), (36, 1984940), (40, 1786446), (45, 1587952), (48, 1488705), (60, 1190964), (61, 1171440), (72, 992470), (80, 893223), (90, 793976), (120, 595482), (122, 585720), (144, 496235), (180, 396988), (183, 390480), (240, 297741), (244, 292860), (305, 234288), (360, 198494), (366, 195240), (488, 146430), (549, 130160), (610, 117144), (720, 99247), (732, 97620), (915, 78096), (976, 73215), (1098, 65080), (1220, 58572), (1464, 48810), (1627, 43920), (1830, 39048), (2196, 32540), (2440, 29286), (2745, 26032), (2928, 24405), (3254, 21960), (3660, 19524), (4392, 16270), (4880, 14643), (4881, 14640), (5490, 13016), (6508, 10980), (7320, 9762), (8135, 8784)]