420805584

素因数分解:

$2^4\times 3^3\times {\mathrm{53}}^1\times {\mathrm{18379}}^1$

素因数の和:18449

約数の個数: 80

約数和(自身を含む): 1230724800

約数和(自身を除く): 809919216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 53, 54, 72, 106, 108, 144, 159, 212, 216, 318, 424, 432, 477, 636, 848, 954, 1272, 1431, 1908, 2544, 2862, 3816, 5724, 7632, 11448, 18379, 22896, 36758, 55137, 73516, 110274, 147032, 165411, 220548, 294064, 330822, 441096, 496233, 661644, 882192, 974087, 992466, 1323288, 1948174, 1984932, 2646576, 2922261, 3896348, 3969864, 5844522, 7792696, 7939728, 8766783, 11689044, 15585392, 17533566, 23378088, 26300349, 35067132, 46756176, 52600698, 70134264, 105201396, 140268528, 210402792, 420805584]

約数ペア:

[(1, 420805584), (2, 210402792), (3, 140268528), (4, 105201396), (6, 70134264), (8, 52600698), (9, 46756176), (12, 35067132), (16, 26300349), (18, 23378088), (24, 17533566), (27, 15585392), (36, 11689044), (48, 8766783), (53, 7939728), (54, 7792696), (72, 5844522), (106, 3969864), (108, 3896348), (144, 2922261), (159, 2646576), (212, 1984932), (216, 1948174), (318, 1323288), (424, 992466), (432, 974087), (477, 882192), (636, 661644), (848, 496233), (954, 441096), (1272, 330822), (1431, 294064), (1908, 220548), (2544, 165411), (2862, 147032), (3816, 110274), (5724, 73516), (7632, 55137), (11448, 36758), (18379, 22896)]