221987760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1931}}^1$

素因数の和:2426

約数の個数: 80

約数和(自身を含む): 689955840

約数和(自身を除く): 467968080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 479, 958, 1437, 1916, 1931, 2395, 2874, 3832, 3862, 4790, 5748, 5793, 7185, 7664, 7724, 9580, 9655, 11496, 11586, 14370, 15448, 19160, 19310, 22992, 23172, 28740, 28965, 30896, 38320, 38620, 46344, 57480, 57930, 77240, 92688, 114960, 115860, 154480, 231720, 463440, 924949, 1849898, 2774847, 3699796, 4624745, 5549694, 7399592, 9249490, 11099388, 13874235, 14799184, 18498980, 22198776, 27748470, 36997960, 44397552, 55496940, 73995920, 110993880, 221987760]

約数ペア:

[(1, 221987760), (2, 110993880), (3, 73995920), (4, 55496940), (5, 44397552), (6, 36997960), (8, 27748470), (10, 22198776), (12, 18498980), (15, 14799184), (16, 13874235), (20, 11099388), (24, 9249490), (30, 7399592), (40, 5549694), (48, 4624745), (60, 3699796), (80, 2774847), (120, 1849898), (240, 924949), (479, 463440), (958, 231720), (1437, 154480), (1916, 115860), (1931, 114960), (2395, 92688), (2874, 77240), (3832, 57930), (3862, 57480), (4790, 46344), (5748, 38620), (5793, 38320), (7185, 30896), (7664, 28965), (7724, 28740), (9580, 23172), (9655, 22992), (11496, 19310), (11586, 19160), (14370, 15448)]