84378480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20681}}^1$

素因数の和:20714

約数の個数: 80

約数和(自身を含む): 276973344

約数和(自身を除く): 192594864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 20681, 41362, 62043, 82724, 103405, 124086, 165448, 206810, 248172, 310215, 330896, 351577, 413620, 496344, 620430, 703154, 827240, 992688, 1054731, 1240860, 1406308, 1654480, 1757885, 2109462, 2481720, 2812616, 3515770, 4218924, 4963440, 5273655, 5625232, 7031540, 8437848, 10547310, 14063080, 16875696, 21094620, 28126160, 42189240, 84378480]

約数ペア:

[(1, 84378480), (2, 42189240), (3, 28126160), (4, 21094620), (5, 16875696), (6, 14063080), (8, 10547310), (10, 8437848), (12, 7031540), (15, 5625232), (16, 5273655), (17, 4963440), (20, 4218924), (24, 3515770), (30, 2812616), (34, 2481720), (40, 2109462), (48, 1757885), (51, 1654480), (60, 1406308), (68, 1240860), (80, 1054731), (85, 992688), (102, 827240), (120, 703154), (136, 620430), (170, 496344), (204, 413620), (240, 351577), (255, 330896), (272, 310215), (340, 248172), (408, 206810), (510, 165448), (680, 124086), (816, 103405), (1020, 82724), (1360, 62043), (2040, 41362), (4080, 20681)]