15989600

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:133

約数の個数: 144

約数和(自身を含む): 44997120

約数和(自身を除く): 29007520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 25, 32, 40, 44, 46, 50, 55, 79, 80, 88, 92, 100, 110, 115, 158, 160, 176, 184, 200, 220, 230, 253, 275, 316, 352, 368, 395, 400, 440, 460, 506, 550, 575, 632, 736, 790, 800, 869, 880, 920, 1012, 1100, 1150, 1264, 1265, 1580, 1738, 1760, 1817, 1840, 1975, 2024, 2200, 2300, 2528, 2530, 3160, 3476, 3634, 3680, 3950, 4048, 4345, 4400, 4600, 5060, 6320, 6325, 6952, 7268, 7900, 8096, 8690, 8800, 9085, 9200, 10120, 12640, 12650, 13904, 14536, 15800, 17380, 18170, 18400, 19987, 20240, 21725, 25300, 27808, 29072, 31600, 34760, 36340, 39974, 40480, 43450, 45425, 50600, 58144, 63200, 69520, 72680, 79948, 86900, 90850, 99935, 101200, 139040, 145360, 159896, 173800, 181700, 199870, 202400, 290720, 319792, 347600, 363400, 399740, 499675, 639584, 695200, 726800, 799480, 999350, 1453600, 1598960, 1998700, 3197920, 3997400, 7994800, 15989600]

約数ペア:

[(1, 15989600), (2, 7994800), (4, 3997400), (5, 3197920), (8, 1998700), (10, 1598960), (11, 1453600), (16, 999350), (20, 799480), (22, 726800), (23, 695200), (25, 639584), (32, 499675), (40, 399740), (44, 363400), (46, 347600), (50, 319792), (55, 290720), (79, 202400), (80, 199870), (88, 181700), (92, 173800), (100, 159896), (110, 145360), (115, 139040), (158, 101200), (160, 99935), (176, 90850), (184, 86900), (200, 79948), (220, 72680), (230, 69520), (253, 63200), (275, 58144), (316, 50600), (352, 45425), (368, 43450), (395, 40480), (400, 39974), (440, 36340), (460, 34760), (506, 31600), (550, 29072), (575, 27808), (632, 25300), (736, 21725), (790, 20240), (800, 19987), (869, 18400), (880, 18170), (920, 17380), (1012, 15800), (1100, 14536), (1150, 13904), (1264, 12650), (1265, 12640), (1580, 10120), (1738, 9200), (1760, 9085), (1817, 8800), (1840, 8690), (1975, 8096), (2024, 7900), (2200, 7268), (2300, 6952), (2528, 6325), (2530, 6320), (3160, 5060), (3476, 4600), (3634, 4400), (3680, 4345), (3950, 4048)]