77991960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{433}}^1$

素因数の和:545

約数の個数: 128

約数和(自身を含む): 249984000

約数和(自身を除く): 171992040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 79, 95, 114, 120, 152, 158, 190, 228, 237, 285, 316, 380, 395, 433, 456, 474, 570, 632, 760, 790, 866, 948, 1140, 1185, 1299, 1501, 1580, 1732, 1896, 2165, 2280, 2370, 2598, 3002, 3160, 3464, 4330, 4503, 4740, 5196, 6004, 6495, 7505, 8227, 8660, 9006, 9480, 10392, 12008, 12990, 15010, 16454, 17320, 18012, 22515, 24681, 25980, 30020, 32908, 34207, 36024, 41135, 45030, 49362, 51960, 60040, 65816, 68414, 82270, 90060, 98724, 102621, 123405, 136828, 164540, 171035, 180120, 197448, 205242, 246810, 273656, 329080, 342070, 410484, 493620, 513105, 649933, 684140, 820968, 987240, 1026210, 1299866, 1368280, 1949799, 2052420, 2599732, 3249665, 3899598, 4104840, 5199464, 6499330, 7799196, 9748995, 12998660, 15598392, 19497990, 25997320, 38995980, 77991960]

約数ペア:

[(1, 77991960), (2, 38995980), (3, 25997320), (4, 19497990), (5, 15598392), (6, 12998660), (8, 9748995), (10, 7799196), (12, 6499330), (15, 5199464), (19, 4104840), (20, 3899598), (24, 3249665), (30, 2599732), (38, 2052420), (40, 1949799), (57, 1368280), (60, 1299866), (76, 1026210), (79, 987240), (95, 820968), (114, 684140), (120, 649933), (152, 513105), (158, 493620), (190, 410484), (228, 342070), (237, 329080), (285, 273656), (316, 246810), (380, 205242), (395, 197448), (433, 180120), (456, 171035), (474, 164540), (570, 136828), (632, 123405), (760, 102621), (790, 98724), (866, 90060), (948, 82270), (1140, 68414), (1185, 65816), (1299, 60040), (1501, 51960), (1580, 49362), (1732, 45030), (1896, 41135), (2165, 36024), (2280, 34207), (2370, 32908), (2598, 30020), (3002, 25980), (3160, 24681), (3464, 22515), (4330, 18012), (4503, 17320), (4740, 16454), (5196, 15010), (6004, 12990), (6495, 12008), (7505, 10392), (8227, 9480), (8660, 9006)]