18409680

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{947}}^1$

素因数の和:975

約数の個数: 120

約数和(自身を含む): 64183392

約数和(自身を除く): 45773712

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 947, 972, 1080, 1215, 1296, 1620, 1894, 1944, 2160, 2430, 2841, 3240, 3788, 3888, 4735, 4860, 5682, 6480, 7576, 8523, 9470, 9720, 11364, 14205, 15152, 17046, 18940, 19440, 22728, 25569, 28410, 34092, 37880, 42615, 45456, 51138, 56820, 68184, 75760, 76707, 85230, 102276, 113640, 127845, 136368, 153414, 170460, 204552, 227280, 230121, 255690, 306828, 340920, 383535, 409104, 460242, 511380, 613656, 681840, 767070, 920484, 1022760, 1150605, 1227312, 1534140, 1840968, 2045520, 2301210, 3068280, 3681936, 4602420, 6136560, 9204840, 18409680]

約数ペア:

[(1, 18409680), (2, 9204840), (3, 6136560), (4, 4602420), (5, 3681936), (6, 3068280), (8, 2301210), (9, 2045520), (10, 1840968), (12, 1534140), (15, 1227312), (16, 1150605), (18, 1022760), (20, 920484), (24, 767070), (27, 681840), (30, 613656), (36, 511380), (40, 460242), (45, 409104), (48, 383535), (54, 340920), (60, 306828), (72, 255690), (80, 230121), (81, 227280), (90, 204552), (108, 170460), (120, 153414), (135, 136368), (144, 127845), (162, 113640), (180, 102276), (216, 85230), (240, 76707), (243, 75760), (270, 68184), (324, 56820), (360, 51138), (405, 45456), (432, 42615), (486, 37880), (540, 34092), (648, 28410), (720, 25569), (810, 22728), (947, 19440), (972, 18940), (1080, 17046), (1215, 15152), (1296, 14205), (1620, 11364), (1894, 9720), (1944, 9470), (2160, 8523), (2430, 7576), (2841, 6480), (3240, 5682), (3788, 4860), (3888, 4735)]