140252720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{367}}^1$

素因数の和:678

約数の個数: 80

約数和(自身を含む): 347442048

約数和(自身を除く): 207189328

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 281, 340, 367, 562, 680, 734, 1124, 1360, 1405, 1468, 1835, 2248, 2810, 2936, 3670, 4496, 4777, 5620, 5872, 6239, 7340, 9554, 11240, 12478, 14680, 19108, 22480, 23885, 24956, 29360, 31195, 38216, 47770, 49912, 62390, 76432, 95540, 99824, 103127, 124780, 191080, 206254, 249560, 382160, 412508, 499120, 515635, 825016, 1031270, 1650032, 1753159, 2062540, 3506318, 4125080, 7012636, 8250160, 8765795, 14025272, 17531590, 28050544, 35063180, 70126360, 140252720]

約数ペア:

[(1, 140252720), (2, 70126360), (4, 35063180), (5, 28050544), (8, 17531590), (10, 14025272), (16, 8765795), (17, 8250160), (20, 7012636), (34, 4125080), (40, 3506318), (68, 2062540), (80, 1753159), (85, 1650032), (136, 1031270), (170, 825016), (272, 515635), (281, 499120), (340, 412508), (367, 382160), (562, 249560), (680, 206254), (734, 191080), (1124, 124780), (1360, 103127), (1405, 99824), (1468, 95540), (1835, 76432), (2248, 62390), (2810, 49912), (2936, 47770), (3670, 38216), (4496, 31195), (4777, 29360), (5620, 24956), (5872, 23885), (6239, 22480), (7340, 19108), (9554, 14680), (11240, 12478)]