1813022820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1438907}}^1$

素因数の和:1438929

約数の個数: 72

約数和(自身を含む): 6285150144

約数和(自身を除く): 4472127324

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 1438907, 2877814, 4316721, 5755628, 7194535, 8633442, 10072349, 12950163, 14389070, 17266884, 20144698, 21583605, 25900326, 28778140, 30217047, 40289396, 43167210, 50361745, 51800652, 60434094, 64750815, 86334420, 90651141, 100723490, 120868188, 129501630, 151085235, 181302282, 201446980, 259003260, 302170470, 362604564, 453255705, 604340940, 906511410, 1813022820]

約数ペア:

[(1, 1813022820), (2, 906511410), (3, 604340940), (4, 453255705), (5, 362604564), (6, 302170470), (7, 259003260), (9, 201446980), (10, 181302282), (12, 151085235), (14, 129501630), (15, 120868188), (18, 100723490), (20, 90651141), (21, 86334420), (28, 64750815), (30, 60434094), (35, 51800652), (36, 50361745), (42, 43167210), (45, 40289396), (60, 30217047), (63, 28778140), (70, 25900326), (84, 21583605), (90, 20144698), (105, 17266884), (126, 14389070), (140, 12950163), (180, 10072349), (210, 8633442), (252, 7194535), (315, 5755628), (420, 4316721), (630, 2877814), (1260, 1438907)]