31641930

素因数分解:

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

素因数の和:20711

約数の個数: 48

約数和(自身を含む): 87112584

約数和(自身を除く): 55470654

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, 1530, 20681, 41362, 62043, 103405, 124086, 186129, 206810, 310215, 351577, 372258, 620430, 703154, 930645, 1054731, 1757885, 1861290, 2109462, 3164193, 3515770, 5273655, 6328386, 10547310, 15820965, 31641930]

約数ペア:

[(1, 31641930), (2, 15820965), (3, 10547310), (5, 6328386), (6, 5273655), (9, 3515770), (10, 3164193), (15, 2109462), (17, 1861290), (18, 1757885), (30, 1054731), (34, 930645), (45, 703154), (51, 620430), (85, 372258), (90, 351577), (102, 310215), (153, 206810), (170, 186129), (255, 124086), (306, 103405), (510, 62043), (765, 41362), (1530, 20681)]