645046560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2251}}^1$

素因数の和:2471

約数の個数: 144

約数和(自身を含む): 2213265600

約数和(自身を除く): 1568219040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 199, 240, 288, 360, 398, 480, 597, 720, 796, 995, 1194, 1440, 1592, 1791, 1990, 2251, 2388, 2985, 3184, 3582, 3980, 4502, 4776, 5970, 6368, 6753, 7164, 7960, 8955, 9004, 9552, 11255, 11940, 13506, 14328, 15920, 17910, 18008, 19104, 20259, 22510, 23880, 27012, 28656, 31840, 33765, 35820, 36016, 40518, 45020, 47760, 54024, 57312, 67530, 71640, 72032, 81036, 90040, 95520, 101295, 108048, 135060, 143280, 162072, 180080, 202590, 216096, 270120, 286560, 324144, 360160, 405180, 447949, 540240, 648288, 810360, 895898, 1080480, 1343847, 1620720, 1791796, 2239745, 2687694, 3241440, 3583592, 4031541, 4479490, 5375388, 6719235, 7167184, 8063082, 8958980, 10750776, 13438470, 14334368, 16126164, 17917960, 20157705, 21501552, 26876940, 32252328, 35835920, 40315410, 43003104, 53753880, 64504656, 71671840, 80630820, 107507760, 129009312, 161261640, 215015520, 322523280, 645046560]

約数ペア:

[(1, 645046560), (2, 322523280), (3, 215015520), (4, 161261640), (5, 129009312), (6, 107507760), (8, 80630820), (9, 71671840), (10, 64504656), (12, 53753880), (15, 43003104), (16, 40315410), (18, 35835920), (20, 32252328), (24, 26876940), (30, 21501552), (32, 20157705), (36, 17917960), (40, 16126164), (45, 14334368), (48, 13438470), (60, 10750776), (72, 8958980), (80, 8063082), (90, 7167184), (96, 6719235), (120, 5375388), (144, 4479490), (160, 4031541), (180, 3583592), (199, 3241440), (240, 2687694), (288, 2239745), (360, 1791796), (398, 1620720), (480, 1343847), (597, 1080480), (720, 895898), (796, 810360), (995, 648288), (1194, 540240), (1440, 447949), (1592, 405180), (1791, 360160), (1990, 324144), (2251, 286560), (2388, 270120), (2985, 216096), (3184, 202590), (3582, 180080), (3980, 162072), (4502, 143280), (4776, 135060), (5970, 108048), (6368, 101295), (6753, 95520), (7164, 90040), (7960, 81036), (8955, 72032), (9004, 71640), (9552, 67530), (11255, 57312), (11940, 54024), (13506, 47760), (14328, 45020), (15920, 40518), (17910, 36016), (18008, 35820), (19104, 33765), (20259, 31840), (22510, 28656), (23880, 27012)]