30140240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{397}}^1$

素因数の和:496

約数の個数: 80

約数和(自身を含む): 76693008

約数和(自身を除く): 46552768

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 73, 80, 104, 130, 146, 208, 260, 292, 365, 397, 520, 584, 730, 794, 949, 1040, 1168, 1460, 1588, 1898, 1985, 2920, 3176, 3796, 3970, 4745, 5161, 5840, 6352, 7592, 7940, 9490, 10322, 15184, 15880, 18980, 20644, 25805, 28981, 31760, 37960, 41288, 51610, 57962, 75920, 82576, 103220, 115924, 144905, 206440, 231848, 289810, 376753, 412880, 463696, 579620, 753506, 1159240, 1507012, 1883765, 2318480, 3014024, 3767530, 6028048, 7535060, 15070120, 30140240]

約数ペア:

[(1, 30140240), (2, 15070120), (4, 7535060), (5, 6028048), (8, 3767530), (10, 3014024), (13, 2318480), (16, 1883765), (20, 1507012), (26, 1159240), (40, 753506), (52, 579620), (65, 463696), (73, 412880), (80, 376753), (104, 289810), (130, 231848), (146, 206440), (208, 144905), (260, 115924), (292, 103220), (365, 82576), (397, 75920), (520, 57962), (584, 51610), (730, 41288), (794, 37960), (949, 31760), (1040, 28981), (1168, 25805), (1460, 20644), (1588, 18980), (1898, 15880), (1985, 15184), (2920, 10322), (3176, 9490), (3796, 7940), (3970, 7592), (4745, 6352), (5161, 5840)]