71281600

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:207

約数の個数: 168

約数和(自身を含む): 198424800

約数和(自身を除く): 127143200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 25, 26, 32, 40, 46, 50, 52, 64, 65, 80, 92, 100, 104, 115, 130, 149, 160, 184, 200, 208, 230, 260, 298, 299, 320, 325, 368, 400, 416, 460, 520, 575, 596, 598, 650, 736, 745, 800, 832, 920, 1040, 1150, 1192, 1196, 1300, 1472, 1490, 1495, 1600, 1840, 1937, 2080, 2300, 2384, 2392, 2600, 2980, 2990, 3427, 3680, 3725, 3874, 4160, 4600, 4768, 4784, 5200, 5960, 5980, 6854, 7360, 7450, 7475, 7748, 9200, 9536, 9568, 9685, 10400, 11920, 11960, 13708, 14900, 14950, 15496, 17135, 18400, 19136, 19370, 20800, 23840, 23920, 27416, 29800, 29900, 30992, 34270, 36800, 38740, 44551, 47680, 47840, 48425, 54832, 59600, 59800, 61984, 68540, 77480, 85675, 89102, 95680, 96850, 109664, 119200, 119600, 123968, 137080, 154960, 171350, 178204, 193700, 219328, 222755, 238400, 239200, 274160, 309920, 342700, 356408, 387400, 445510, 478400, 548320, 619840, 685400, 712816, 774800, 891020, 1096640, 1113775, 1370800, 1425632, 1549600, 1782040, 2227550, 2741600, 2851264, 3099200, 3564080, 4455100, 5483200, 7128160, 8910200, 14256320, 17820400, 35640800, 71281600]

約数ペア:

[(1, 71281600), (2, 35640800), (4, 17820400), (5, 14256320), (8, 8910200), (10, 7128160), (13, 5483200), (16, 4455100), (20, 3564080), (23, 3099200), (25, 2851264), (26, 2741600), (32, 2227550), (40, 1782040), (46, 1549600), (50, 1425632), (52, 1370800), (64, 1113775), (65, 1096640), (80, 891020), (92, 774800), (100, 712816), (104, 685400), (115, 619840), (130, 548320), (149, 478400), (160, 445510), (184, 387400), (200, 356408), (208, 342700), (230, 309920), (260, 274160), (298, 239200), (299, 238400), (320, 222755), (325, 219328), (368, 193700), (400, 178204), (416, 171350), (460, 154960), (520, 137080), (575, 123968), (596, 119600), (598, 119200), (650, 109664), (736, 96850), (745, 95680), (800, 89102), (832, 85675), (920, 77480), (1040, 68540), (1150, 61984), (1192, 59800), (1196, 59600), (1300, 54832), (1472, 48425), (1490, 47840), (1495, 47680), (1600, 44551), (1840, 38740), (1937, 36800), (2080, 34270), (2300, 30992), (2384, 29900), (2392, 29800), (2600, 27416), (2980, 23920), (2990, 23840), (3427, 20800), (3680, 19370), (3725, 19136), (3874, 18400), (4160, 17135), (4600, 15496), (4768, 14950), (4784, 14900), (5200, 13708), (5960, 11960), (5980, 11920), (6854, 10400), (7360, 9685), (7450, 9568), (7475, 9536), (7748, 9200)]