68990880

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{20533}}^1$

素因数の和:20558

約数の個数: 96

約数和(自身を含む): 248379264

約数和(自身を除く): 179388384

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 20533, 41066, 61599, 82132, 102665, 123198, 143731, 164264, 205330, 246396, 287462, 307995, 328528, 410660, 431193, 492792, 574924, 615990, 657056, 718655, 821320, 862386, 985584, 1149848, 1231980, 1437310, 1642640, 1724772, 1971168, 2155965, 2299696, 2463960, 2874620, 3285280, 3449544, 4311930, 4599392, 4927920, 5749240, 6899088, 8623860, 9855840, 11498480, 13798176, 17247720, 22996960, 34495440, 68990880]

約数ペア:

[(1, 68990880), (2, 34495440), (3, 22996960), (4, 17247720), (5, 13798176), (6, 11498480), (7, 9855840), (8, 8623860), (10, 6899088), (12, 5749240), (14, 4927920), (15, 4599392), (16, 4311930), (20, 3449544), (21, 3285280), (24, 2874620), (28, 2463960), (30, 2299696), (32, 2155965), (35, 1971168), (40, 1724772), (42, 1642640), (48, 1437310), (56, 1231980), (60, 1149848), (70, 985584), (80, 862386), (84, 821320), (96, 718655), (105, 657056), (112, 615990), (120, 574924), (140, 492792), (160, 431193), (168, 410660), (210, 328528), (224, 307995), (240, 287462), (280, 246396), (336, 205330), (420, 164264), (480, 143731), (560, 123198), (672, 102665), (840, 82132), (1120, 61599), (1680, 41066), (3360, 20533)]