221811120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1289}}^1$

素因数の和:1547

約数の個数: 120

約数和(自身を含む): 748612800

約数和(自身を除く): 526801680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 239, 240, 360, 478, 717, 720, 956, 1195, 1289, 1434, 1912, 2151, 2390, 2578, 2868, 3585, 3824, 3867, 4302, 4780, 5156, 5736, 6445, 7170, 7734, 8604, 9560, 10312, 10755, 11472, 11601, 12890, 14340, 15468, 17208, 19120, 19335, 20624, 21510, 23202, 25780, 28680, 30936, 34416, 38670, 43020, 46404, 51560, 57360, 58005, 61872, 77340, 86040, 92808, 103120, 116010, 154680, 172080, 185616, 232020, 308071, 309360, 464040, 616142, 924213, 928080, 1232284, 1540355, 1848426, 2464568, 2772639, 3080710, 3696852, 4621065, 4929136, 5545278, 6161420, 7393704, 9242130, 11090556, 12322840, 13863195, 14787408, 18484260, 22181112, 24645680, 27726390, 36968520, 44362224, 55452780, 73937040, 110905560, 221811120]

約数ペア:

[(1, 221811120), (2, 110905560), (3, 73937040), (4, 55452780), (5, 44362224), (6, 36968520), (8, 27726390), (9, 24645680), (10, 22181112), (12, 18484260), (15, 14787408), (16, 13863195), (18, 12322840), (20, 11090556), (24, 9242130), (30, 7393704), (36, 6161420), (40, 5545278), (45, 4929136), (48, 4621065), (60, 3696852), (72, 3080710), (80, 2772639), (90, 2464568), (120, 1848426), (144, 1540355), (180, 1232284), (239, 928080), (240, 924213), (360, 616142), (478, 464040), (717, 309360), (720, 308071), (956, 232020), (1195, 185616), (1289, 172080), (1434, 154680), (1912, 116010), (2151, 103120), (2390, 92808), (2578, 86040), (2868, 77340), (3585, 61872), (3824, 58005), (3867, 57360), (4302, 51560), (4780, 46404), (5156, 43020), (5736, 38670), (6445, 34416), (7170, 30936), (7734, 28680), (8604, 25780), (9560, 23202), (10312, 21510), (10755, 20624), (11472, 19335), (11601, 19120), (12890, 17208), (14340, 15468)]