217491840

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{619}}^1$

素因数の和:705

約数の個数: 192

約数和(自身を含む): 764571600

約数和(自身を除く): 547079760

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, 61, 64, 72, 80, 90, 96, 120, 122, 128, 144, 160, 180, 183, 192, 240, 244, 288, 305, 320, 360, 366, 384, 480, 488, 549, 576, 610, 619, 640, 720, 732, 915, 960, 976, 1098, 1152, 1220, 1238, 1440, 1464, 1830, 1857, 1920, 1952, 2196, 2440, 2476, 2745, 2880, 2928, 3095, 3660, 3714, 3904, 4392, 4880, 4952, 5490, 5571, 5760, 5856, 6190, 7320, 7428, 7808, 8784, 9285, 9760, 9904, 10980, 11142, 11712, 12380, 14640, 14856, 17568, 18570, 19520, 19808, 21960, 22284, 23424, 24760, 27855, 29280, 29712, 35136, 37140, 37759, 39040, 39616, 43920, 44568, 49520, 55710, 58560, 59424, 70272, 74280, 75518, 79232, 87840, 89136, 99040, 111420, 113277, 117120, 118848, 148560, 151036, 175680, 178272, 188795, 198080, 222840, 226554, 237696, 297120, 302072, 339831, 351360, 356544, 377590, 396160, 445680, 453108, 566385, 594240, 604144, 679662, 713088, 755180, 891360, 906216, 1132770, 1188480, 1208288, 1359324, 1510360, 1699155, 1782720, 1812432, 2265540, 2416576, 2718648, 3020720, 3398310, 3565440, 3624864, 4531080, 4833152, 5437296, 6041440, 6796620, 7249728, 9062160, 10874592, 12082880, 13593240, 14499456, 18124320, 21749184, 24165760, 27186480, 36248640, 43498368, 54372960, 72497280, 108745920, 217491840]

約数ペア:

[(1, 217491840), (2, 108745920), (3, 72497280), (4, 54372960), (5, 43498368), (6, 36248640), (8, 27186480), (9, 24165760), (10, 21749184), (12, 18124320), (15, 14499456), (16, 13593240), (18, 12082880), (20, 10874592), (24, 9062160), (30, 7249728), (32, 6796620), (36, 6041440), (40, 5437296), (45, 4833152), (48, 4531080), (60, 3624864), (61, 3565440), (64, 3398310), (72, 3020720), (80, 2718648), (90, 2416576), (96, 2265540), (120, 1812432), (122, 1782720), (128, 1699155), (144, 1510360), (160, 1359324), (180, 1208288), (183, 1188480), (192, 1132770), (240, 906216), (244, 891360), (288, 755180), (305, 713088), (320, 679662), (360, 604144), (366, 594240), (384, 566385), (480, 453108), (488, 445680), (549, 396160), (576, 377590), (610, 356544), (619, 351360), (640, 339831), (720, 302072), (732, 297120), (915, 237696), (960, 226554), (976, 222840), (1098, 198080), (1152, 188795), (1220, 178272), (1238, 175680), (1440, 151036), (1464, 148560), (1830, 118848), (1857, 117120), (1920, 113277), (1952, 111420), (2196, 99040), (2440, 89136), (2476, 87840), (2745, 79232), (2880, 75518), (2928, 74280), (3095, 70272), (3660, 59424), (3714, 58560), (3904, 55710), (4392, 49520), (4880, 44568), (4952, 43920), (5490, 39616), (5571, 39040), (5760, 37759), (5856, 37140), (6190, 35136), (7320, 29712), (7428, 29280), (7808, 27855), (8784, 24760), (9285, 23424), (9760, 22284), (9904, 21960), (10980, 19808), (11142, 19520), (11712, 18570), (12380, 17568), (14640, 14856)]