521235180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{15161}}^1$

素因数の和:15367

約数の個数: 72

約数和(自身を含む): 1589462784

約数和(自身を除く): 1068227604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 191, 382, 573, 764, 955, 1146, 1719, 1910, 2292, 2865, 3438, 3820, 5730, 6876, 8595, 11460, 15161, 17190, 30322, 34380, 45483, 60644, 75805, 90966, 136449, 151610, 181932, 227415, 272898, 303220, 454830, 545796, 682245, 909660, 1364490, 2728980, 2895751, 5791502, 8687253, 11583004, 14478755, 17374506, 26061759, 28957510, 34749012, 43436265, 52123518, 57915020, 86872530, 104247036, 130308795, 173745060, 260617590, 521235180]

約数ペア:

[(1, 521235180), (2, 260617590), (3, 173745060), (4, 130308795), (5, 104247036), (6, 86872530), (9, 57915020), (10, 52123518), (12, 43436265), (15, 34749012), (18, 28957510), (20, 26061759), (30, 17374506), (36, 14478755), (45, 11583004), (60, 8687253), (90, 5791502), (180, 2895751), (191, 2728980), (382, 1364490), (573, 909660), (764, 682245), (955, 545796), (1146, 454830), (1719, 303220), (1910, 272898), (2292, 227415), (2865, 181932), (3438, 151610), (3820, 136449), (5730, 90966), (6876, 75805), (8595, 60644), (11460, 45483), (15161, 34380), (17190, 30322)]