213983280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{42457}}^1$

素因数の和:42483

約数の個数: 120

約数和(自身を含む): 821307552

約数和(自身を除く): 607324272

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 42457, 84914, 127371, 169828, 212285, 254742, 297199, 339656, 382113, 424570, 509484, 594398, 636855, 679312, 764226, 849140, 891597, 1018968, 1188796, 1273710, 1485995, 1528452, 1698280, 1783194, 1910565, 2037936, 2377592, 2547420, 2674791, 2971990, 3056904, 3396560, 3566388, 3821130, 4457985, 4755184, 5094840, 5349582, 5943980, 6113808, 7132776, 7642260, 8915970, 10189680, 10699164, 11887960, 13373955, 14265552, 15284520, 17831940, 21398328, 23775920, 26747910, 30569040, 35663880, 42796656, 53495820, 71327760, 106991640, 213983280]

約数ペア:

[(1, 213983280), (2, 106991640), (3, 71327760), (4, 53495820), (5, 42796656), (6, 35663880), (7, 30569040), (8, 26747910), (9, 23775920), (10, 21398328), (12, 17831940), (14, 15284520), (15, 14265552), (16, 13373955), (18, 11887960), (20, 10699164), (21, 10189680), (24, 8915970), (28, 7642260), (30, 7132776), (35, 6113808), (36, 5943980), (40, 5349582), (42, 5094840), (45, 4755184), (48, 4457985), (56, 3821130), (60, 3566388), (63, 3396560), (70, 3056904), (72, 2971990), (80, 2674791), (84, 2547420), (90, 2377592), (105, 2037936), (112, 1910565), (120, 1783194), (126, 1698280), (140, 1528452), (144, 1485995), (168, 1273710), (180, 1188796), (210, 1018968), (240, 891597), (252, 849140), (280, 764226), (315, 679312), (336, 636855), (360, 594398), (420, 509484), (504, 424570), (560, 382113), (630, 339656), (720, 297199), (840, 254742), (1008, 212285), (1260, 169828), (1680, 127371), (2520, 84914), (5040, 42457)]