478491520

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{199}}^1$

素因数の和:265

約数の個数: 192

約数和(自身を含む): 1315188000

約数和(自身を除く): 836696480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 128, 130, 136, 160, 170, 199, 208, 221, 260, 272, 289, 320, 340, 398, 416, 442, 520, 544, 578, 640, 680, 796, 832, 884, 995, 1040, 1088, 1105, 1156, 1360, 1445, 1592, 1664, 1768, 1990, 2080, 2176, 2210, 2312, 2587, 2720, 2890, 3184, 3383, 3536, 3757, 3980, 4160, 4420, 4624, 5174, 5440, 5780, 6368, 6766, 7072, 7514, 7960, 8320, 8840, 9248, 10348, 10880, 11560, 12736, 12935, 13532, 14144, 15028, 15920, 16915, 17680, 18496, 18785, 20696, 23120, 25472, 25870, 27064, 28288, 30056, 31840, 33830, 35360, 36992, 37570, 41392, 43979, 46240, 51740, 54128, 57511, 60112, 63680, 67660, 70720, 75140, 82784, 87958, 92480, 103480, 108256, 115022, 120224, 127360, 135320, 141440, 150280, 165568, 175916, 184960, 206960, 216512, 219895, 230044, 240448, 270640, 287555, 300560, 331136, 351832, 413920, 433024, 439790, 460088, 480896, 541280, 575110, 601120, 703664, 747643, 827840, 879580, 920176, 1082560, 1150220, 1202240, 1407328, 1495286, 1655680, 1759160, 1840352, 2165120, 2300440, 2404480, 2814656, 2990572, 3518320, 3680704, 3738215, 4600880, 5629312, 5981144, 7036640, 7361408, 7476430, 9201760, 11962288, 14073280, 14952860, 18403520, 23924576, 28146560, 29905720, 36807040, 47849152, 59811440, 95698304, 119622880, 239245760, 478491520]

約数ペア:

[(1, 478491520), (2, 239245760), (4, 119622880), (5, 95698304), (8, 59811440), (10, 47849152), (13, 36807040), (16, 29905720), (17, 28146560), (20, 23924576), (26, 18403520), (32, 14952860), (34, 14073280), (40, 11962288), (52, 9201760), (64, 7476430), (65, 7361408), (68, 7036640), (80, 5981144), (85, 5629312), (104, 4600880), (128, 3738215), (130, 3680704), (136, 3518320), (160, 2990572), (170, 2814656), (199, 2404480), (208, 2300440), (221, 2165120), (260, 1840352), (272, 1759160), (289, 1655680), (320, 1495286), (340, 1407328), (398, 1202240), (416, 1150220), (442, 1082560), (520, 920176), (544, 879580), (578, 827840), (640, 747643), (680, 703664), (796, 601120), (832, 575110), (884, 541280), (995, 480896), (1040, 460088), (1088, 439790), (1105, 433024), (1156, 413920), (1360, 351832), (1445, 331136), (1592, 300560), (1664, 287555), (1768, 270640), (1990, 240448), (2080, 230044), (2176, 219895), (2210, 216512), (2312, 206960), (2587, 184960), (2720, 175916), (2890, 165568), (3184, 150280), (3383, 141440), (3536, 135320), (3757, 127360), (3980, 120224), (4160, 115022), (4420, 108256), (4624, 103480), (5174, 92480), (5440, 87958), (5780, 82784), (6368, 75140), (6766, 70720), (7072, 67660), (7514, 63680), (7960, 60112), (8320, 57511), (8840, 54128), (9248, 51740), (10348, 46240), (10880, 43979), (11560, 41392), (12736, 37570), (12935, 36992), (13532, 35360), (14144, 33830), (15028, 31840), (15920, 30056), (16915, 28288), (17680, 27064), (18496, 25870), (18785, 25472), (20696, 23120)]