82881280

素因数分解:

$2^8\times 5^1\times {\mathrm{73}}^1\times {\mathrm{887}}^1$

素因数の和:981

約数の個数: 72

約数和(自身を含む): 201472992

約数和(自身を除く): 118591712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 160, 256, 292, 320, 365, 584, 640, 730, 887, 1168, 1280, 1460, 1774, 2336, 2920, 3548, 4435, 4672, 5840, 7096, 8870, 9344, 11680, 14192, 17740, 18688, 23360, 28384, 35480, 46720, 56768, 64751, 70960, 93440, 113536, 129502, 141920, 227072, 259004, 283840, 323755, 518008, 567680, 647510, 1036016, 1135360, 1295020, 2072032, 2590040, 4144064, 5180080, 8288128, 10360160, 16576256, 20720320, 41440640, 82881280]

約数ペア:

[(1, 82881280), (2, 41440640), (4, 20720320), (5, 16576256), (8, 10360160), (10, 8288128), (16, 5180080), (20, 4144064), (32, 2590040), (40, 2072032), (64, 1295020), (73, 1135360), (80, 1036016), (128, 647510), (146, 567680), (160, 518008), (256, 323755), (292, 283840), (320, 259004), (365, 227072), (584, 141920), (640, 129502), (730, 113536), (887, 93440), (1168, 70960), (1280, 64751), (1460, 56768), (1774, 46720), (2336, 35480), (2920, 28384), (3548, 23360), (4435, 18688), (4672, 17740), (5840, 14192), (7096, 11680), (8870, 9344)]