81462080

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{887}}^1$

素因数の和:952

約数の個数: 112

約数和(自身を含む): 227356416

約数和(自身を除く): 145894336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 56, 64, 70, 80, 82, 112, 140, 160, 164, 205, 224, 280, 287, 320, 328, 410, 448, 560, 574, 656, 820, 887, 1120, 1148, 1312, 1435, 1640, 1774, 2240, 2296, 2624, 2870, 3280, 3548, 4435, 4592, 5740, 6209, 6560, 7096, 8870, 9184, 11480, 12418, 13120, 14192, 17740, 18368, 22960, 24836, 28384, 31045, 35480, 36367, 45920, 49672, 56768, 62090, 70960, 72734, 91840, 99344, 124180, 141920, 145468, 181835, 198688, 248360, 254569, 283840, 290936, 363670, 397376, 496720, 509138, 581872, 727340, 993440, 1018276, 1163744, 1272845, 1454680, 1986880, 2036552, 2327488, 2545690, 2909360, 4073104, 5091380, 5818720, 8146208, 10182760, 11637440, 16292416, 20365520, 40731040, 81462080]

約数ペア:

[(1, 81462080), (2, 40731040), (4, 20365520), (5, 16292416), (7, 11637440), (8, 10182760), (10, 8146208), (14, 5818720), (16, 5091380), (20, 4073104), (28, 2909360), (32, 2545690), (35, 2327488), (40, 2036552), (41, 1986880), (56, 1454680), (64, 1272845), (70, 1163744), (80, 1018276), (82, 993440), (112, 727340), (140, 581872), (160, 509138), (164, 496720), (205, 397376), (224, 363670), (280, 290936), (287, 283840), (320, 254569), (328, 248360), (410, 198688), (448, 181835), (560, 145468), (574, 141920), (656, 124180), (820, 99344), (887, 91840), (1120, 72734), (1148, 70960), (1312, 62090), (1435, 56768), (1640, 49672), (1774, 45920), (2240, 36367), (2296, 35480), (2624, 31045), (2870, 28384), (3280, 24836), (3548, 22960), (4435, 18368), (4592, 17740), (5740, 14192), (6209, 13120), (6560, 12418), (7096, 11480), (8870, 9184)]