131857320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1987}}^1$

素因数の和:2087

約数の個数: 128

約数和(自身を含む): 458035200

約数和(自身を除く): 326177880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 79, 84, 105, 120, 140, 158, 168, 210, 237, 280, 316, 395, 420, 474, 553, 632, 790, 840, 948, 1106, 1185, 1580, 1659, 1896, 1987, 2212, 2370, 2765, 3160, 3318, 3974, 4424, 4740, 5530, 5961, 6636, 7948, 8295, 9480, 9935, 11060, 11922, 13272, 13909, 15896, 16590, 19870, 22120, 23844, 27818, 29805, 33180, 39740, 41727, 47688, 55636, 59610, 66360, 69545, 79480, 83454, 111272, 119220, 139090, 156973, 166908, 208635, 238440, 278180, 313946, 333816, 417270, 470919, 556360, 627892, 784865, 834540, 941838, 1098811, 1255784, 1569730, 1669080, 1883676, 2197622, 2354595, 3139460, 3296433, 3767352, 4395244, 4709190, 5494055, 6278920, 6592866, 8790488, 9418380, 10988110, 13185732, 16482165, 18836760, 21976220, 26371464, 32964330, 43952440, 65928660, 131857320]

約数ペア:

[(1, 131857320), (2, 65928660), (3, 43952440), (4, 32964330), (5, 26371464), (6, 21976220), (7, 18836760), (8, 16482165), (10, 13185732), (12, 10988110), (14, 9418380), (15, 8790488), (20, 6592866), (21, 6278920), (24, 5494055), (28, 4709190), (30, 4395244), (35, 3767352), (40, 3296433), (42, 3139460), (56, 2354595), (60, 2197622), (70, 1883676), (79, 1669080), (84, 1569730), (105, 1255784), (120, 1098811), (140, 941838), (158, 834540), (168, 784865), (210, 627892), (237, 556360), (280, 470919), (316, 417270), (395, 333816), (420, 313946), (474, 278180), (553, 238440), (632, 208635), (790, 166908), (840, 156973), (948, 139090), (1106, 119220), (1185, 111272), (1580, 83454), (1659, 79480), (1896, 69545), (1987, 66360), (2212, 59610), (2370, 55636), (2765, 47688), (3160, 41727), (3318, 39740), (3974, 33180), (4424, 29805), (4740, 27818), (5530, 23844), (5961, 22120), (6636, 19870), (7948, 16590), (8295, 15896), (9480, 13909), (9935, 13272), (11060, 11922)]