220161920

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2843}}^1$

素因数の和:2884

約数の個数: 96

約数和(自身を含む): 578725560

約数和(自身を除く): 358563640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 128, 160, 176, 220, 242, 320, 352, 440, 484, 605, 640, 704, 880, 968, 1210, 1408, 1760, 1936, 2420, 2843, 3520, 3872, 4840, 5686, 7040, 7744, 9680, 11372, 14215, 15488, 19360, 22744, 28430, 31273, 38720, 45488, 56860, 62546, 77440, 90976, 113720, 125092, 156365, 181952, 227440, 250184, 312730, 344003, 363904, 454880, 500368, 625460, 688006, 909760, 1000736, 1250920, 1376012, 1720015, 1819520, 2001472, 2501840, 2752024, 3440030, 4002944, 5003680, 5504048, 6880060, 10007360, 11008096, 13760120, 20014720, 22016192, 27520240, 44032384, 55040480, 110080960, 220161920]

約数ペア:

[(1, 220161920), (2, 110080960), (4, 55040480), (5, 44032384), (8, 27520240), (10, 22016192), (11, 20014720), (16, 13760120), (20, 11008096), (22, 10007360), (32, 6880060), (40, 5504048), (44, 5003680), (55, 4002944), (64, 3440030), (80, 2752024), (88, 2501840), (110, 2001472), (121, 1819520), (128, 1720015), (160, 1376012), (176, 1250920), (220, 1000736), (242, 909760), (320, 688006), (352, 625460), (440, 500368), (484, 454880), (605, 363904), (640, 344003), (704, 312730), (880, 250184), (968, 227440), (1210, 181952), (1408, 156365), (1760, 125092), (1936, 113720), (2420, 90976), (2843, 77440), (3520, 62546), (3872, 56860), (4840, 45488), (5686, 38720), (7040, 31273), (7744, 28430), (9680, 22744), (11372, 19360), (14215, 15488)]