221443920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{673}}^1$

素因数の和:1149

約数の個数: 120

約数和(自身を含む): 746417256

約数和(自身を除く): 524973336

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, 240, 360, 457, 673, 720, 914, 1346, 1371, 1828, 2019, 2285, 2692, 2742, 3365, 3656, 4038, 4113, 4570, 5384, 5484, 6057, 6730, 6855, 7312, 8076, 8226, 9140, 10095, 10768, 10968, 12114, 13460, 13710, 16152, 16452, 18280, 20190, 20565, 21936, 24228, 26920, 27420, 30285, 32304, 32904, 36560, 40380, 41130, 48456, 53840, 54840, 60570, 65808, 80760, 82260, 96912, 109680, 121140, 161520, 164520, 242280, 307561, 329040, 484560, 615122, 922683, 1230244, 1537805, 1845366, 2460488, 2768049, 3075610, 3690732, 4613415, 4920976, 5536098, 6151220, 7381464, 9226830, 11072196, 12302440, 13840245, 14762928, 18453660, 22144392, 24604880, 27680490, 36907320, 44288784, 55360980, 73814640, 110721960, 221443920]

約数ペア:

[(1, 221443920), (2, 110721960), (3, 73814640), (4, 55360980), (5, 44288784), (6, 36907320), (8, 27680490), (9, 24604880), (10, 22144392), (12, 18453660), (15, 14762928), (16, 13840245), (18, 12302440), (20, 11072196), (24, 9226830), (30, 7381464), (36, 6151220), (40, 5536098), (45, 4920976), (48, 4613415), (60, 3690732), (72, 3075610), (80, 2768049), (90, 2460488), (120, 1845366), (144, 1537805), (180, 1230244), (240, 922683), (360, 615122), (457, 484560), (673, 329040), (720, 307561), (914, 242280), (1346, 164520), (1371, 161520), (1828, 121140), (2019, 109680), (2285, 96912), (2692, 82260), (2742, 80760), (3365, 65808), (3656, 60570), (4038, 54840), (4113, 53840), (4570, 48456), (5384, 41130), (5484, 40380), (6057, 36560), (6730, 32904), (6855, 32304), (7312, 30285), (8076, 27420), (8226, 26920), (9140, 24228), (10095, 21936), (10768, 20565), (10968, 20190), (12114, 18280), (13460, 16452), (13710, 16152)]