2155770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1409}}^1$

素因数の和:1439

約数の個数: 48

約数和(自身を含む): 5938920

約数和(自身を除く): 3783150

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1409, 1530, 2818, 4227, 7045, 8454, 12681, 14090, 21135, 23953, 25362, 42270, 47906, 63405, 71859, 119765, 126810, 143718, 215577, 239530, 359295, 431154, 718590, 1077885, 2155770]

約数ペア:

[(1, 2155770), (2, 1077885), (3, 718590), (5, 431154), (6, 359295), (9, 239530), (10, 215577), (15, 143718), (17, 126810), (18, 119765), (30, 71859), (34, 63405), (45, 47906), (51, 42270), (85, 25362), (90, 23953), (102, 21135), (153, 14090), (170, 12681), (255, 8454), (306, 7045), (510, 4227), (765, 2818), (1409, 1530)]