78579720

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:409

約数の個数: 160

約数和(自身を含む): 268329600

約数和(自身を除く): 189749880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 79, 81, 90, 108, 120, 135, 158, 162, 180, 216, 237, 270, 307, 316, 324, 360, 395, 405, 474, 540, 614, 632, 648, 711, 790, 810, 921, 948, 1080, 1185, 1228, 1422, 1535, 1580, 1620, 1842, 1896, 2133, 2370, 2456, 2763, 2844, 3070, 3160, 3240, 3555, 3684, 4266, 4605, 4740, 5526, 5688, 6140, 6399, 7110, 7368, 8289, 8532, 9210, 9480, 10665, 11052, 12280, 12798, 13815, 14220, 16578, 17064, 18420, 21330, 22104, 24253, 24867, 25596, 27630, 28440, 31995, 33156, 36840, 41445, 42660, 48506, 49734, 51192, 55260, 63990, 66312, 72759, 82890, 85320, 97012, 99468, 110520, 121265, 124335, 127980, 145518, 165780, 194024, 198936, 218277, 242530, 248670, 255960, 291036, 331560, 363795, 436554, 485060, 497340, 582072, 654831, 727590, 873108, 970120, 994680, 1091385, 1309662, 1455180, 1746216, 1964493, 2182770, 2619324, 2910360, 3274155, 3928986, 4365540, 5238648, 6548310, 7857972, 8731080, 9822465, 13096620, 15715944, 19644930, 26193240, 39289860, 78579720]

約数ペア:

[(1, 78579720), (2, 39289860), (3, 26193240), (4, 19644930), (5, 15715944), (6, 13096620), (8, 9822465), (9, 8731080), (10, 7857972), (12, 6548310), (15, 5238648), (18, 4365540), (20, 3928986), (24, 3274155), (27, 2910360), (30, 2619324), (36, 2182770), (40, 1964493), (45, 1746216), (54, 1455180), (60, 1309662), (72, 1091385), (79, 994680), (81, 970120), (90, 873108), (108, 727590), (120, 654831), (135, 582072), (158, 497340), (162, 485060), (180, 436554), (216, 363795), (237, 331560), (270, 291036), (307, 255960), (316, 248670), (324, 242530), (360, 218277), (395, 198936), (405, 194024), (474, 165780), (540, 145518), (614, 127980), (632, 124335), (648, 121265), (711, 110520), (790, 99468), (810, 97012), (921, 85320), (948, 82890), (1080, 72759), (1185, 66312), (1228, 63990), (1422, 55260), (1535, 51192), (1580, 49734), (1620, 48506), (1842, 42660), (1896, 41445), (2133, 36840), (2370, 33156), (2456, 31995), (2763, 28440), (2844, 27630), (3070, 25596), (3160, 24867), (3240, 24253), (3555, 22104), (3684, 21330), (4266, 18420), (4605, 17064), (4740, 16578), (5526, 14220), (5688, 13815), (6140, 12798), (6399, 12280), (7110, 11052), (7368, 10665), (8289, 9480), (8532, 9210)]