80758720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1163}}^1$

素因数の和:1218

約数の個数: 112

約数和(自身を含む): 227063808

約数和(自身を除く): 146305088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 868, 992, 1085, 1120, 1163, 1240, 1736, 1984, 2170, 2240, 2326, 2480, 3472, 4340, 4652, 4960, 5815, 6944, 8141, 8680, 9304, 9920, 11630, 13888, 16282, 17360, 18608, 23260, 32564, 34720, 36053, 37216, 40705, 46520, 65128, 69440, 72106, 74432, 81410, 93040, 130256, 144212, 162820, 180265, 186080, 252371, 260512, 288424, 325640, 360530, 372160, 504742, 521024, 576848, 651280, 721060, 1009484, 1153696, 1261855, 1302560, 1442120, 2018968, 2307392, 2523710, 2605120, 2884240, 4037936, 5047420, 5768480, 8075872, 10094840, 11536960, 16151744, 20189680, 40379360, 80758720]

約数ペア:

[(1, 80758720), (2, 40379360), (4, 20189680), (5, 16151744), (7, 11536960), (8, 10094840), (10, 8075872), (14, 5768480), (16, 5047420), (20, 4037936), (28, 2884240), (31, 2605120), (32, 2523710), (35, 2307392), (40, 2018968), (56, 1442120), (62, 1302560), (64, 1261855), (70, 1153696), (80, 1009484), (112, 721060), (124, 651280), (140, 576848), (155, 521024), (160, 504742), (217, 372160), (224, 360530), (248, 325640), (280, 288424), (310, 260512), (320, 252371), (434, 186080), (448, 180265), (496, 162820), (560, 144212), (620, 130256), (868, 93040), (992, 81410), (1085, 74432), (1120, 72106), (1163, 69440), (1240, 65128), (1736, 46520), (1984, 40705), (2170, 37216), (2240, 36053), (2326, 34720), (2480, 32564), (3472, 23260), (4340, 18608), (4652, 17360), (4960, 16282), (5815, 13888), (6944, 11630), (8141, 9920), (8680, 9304)]