72849920

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:246

約数の個数: 160

約数和(自身を含む): 206236800

約数和(自身を除く): 133386880

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 128, 130, 143, 160, 176, 199, 208, 220, 256, 260, 286, 320, 352, 398, 416, 440, 512, 520, 572, 640, 704, 715, 796, 832, 880, 995, 1040, 1144, 1280, 1408, 1430, 1592, 1664, 1760, 1990, 2080, 2189, 2288, 2560, 2587, 2816, 2860, 3184, 3328, 3520, 3980, 4160, 4378, 4576, 5174, 5632, 5720, 6368, 6656, 7040, 7960, 8320, 8756, 9152, 10348, 10945, 11440, 12736, 12935, 14080, 15920, 16640, 17512, 18304, 20696, 21890, 22880, 25472, 25870, 28160, 28457, 31840, 33280, 35024, 36608, 41392, 43780, 45760, 50944, 51740, 56914, 63680, 70048, 73216, 82784, 87560, 91520, 101888, 103480, 113828, 127360, 140096, 142285, 165568, 175120, 183040, 206960, 227656, 254720, 280192, 284570, 331136, 350240, 366080, 413920, 455312, 509440, 560384, 569140, 662272, 700480, 827840, 910624, 1120768, 1138280, 1324544, 1400960, 1655680, 1821248, 2276560, 2801920, 3311360, 3642496, 4553120, 5603840, 6622720, 7284992, 9106240, 14569984, 18212480, 36424960, 72849920]

約数ペア:

[(1, 72849920), (2, 36424960), (4, 18212480), (5, 14569984), (8, 9106240), (10, 7284992), (11, 6622720), (13, 5603840), (16, 4553120), (20, 3642496), (22, 3311360), (26, 2801920), (32, 2276560), (40, 1821248), (44, 1655680), (52, 1400960), (55, 1324544), (64, 1138280), (65, 1120768), (80, 910624), (88, 827840), (104, 700480), (110, 662272), (128, 569140), (130, 560384), (143, 509440), (160, 455312), (176, 413920), (199, 366080), (208, 350240), (220, 331136), (256, 284570), (260, 280192), (286, 254720), (320, 227656), (352, 206960), (398, 183040), (416, 175120), (440, 165568), (512, 142285), (520, 140096), (572, 127360), (640, 113828), (704, 103480), (715, 101888), (796, 91520), (832, 87560), (880, 82784), (995, 73216), (1040, 70048), (1144, 63680), (1280, 56914), (1408, 51740), (1430, 50944), (1592, 45760), (1664, 43780), (1760, 41392), (1990, 36608), (2080, 35024), (2189, 33280), (2288, 31840), (2560, 28457), (2587, 28160), (2816, 25870), (2860, 25472), (3184, 22880), (3328, 21890), (3520, 20696), (3980, 18304), (4160, 17512), (4378, 16640), (4576, 15920), (5174, 14080), (5632, 12935), (5720, 12736), (6368, 11440), (6656, 10945), (7040, 10348), (7960, 9152), (8320, 8756)]