31939740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{25349}}^1$

素因数の和:25371

約数の個数: 72

約数和(自身を含む): 110728800

約数和(自身を除く): 78789060

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, 25349, 50698, 76047, 101396, 126745, 152094, 177443, 228141, 253490, 304188, 354886, 380235, 456282, 506980, 532329, 709772, 760470, 887215, 912564, 1064658, 1140705, 1520940, 1596987, 1774430, 2129316, 2281410, 2661645, 3193974, 3548860, 4562820, 5323290, 6387948, 7984935, 10646580, 15969870, 31939740]

約数ペア:

[(1, 31939740), (2, 15969870), (3, 10646580), (4, 7984935), (5, 6387948), (6, 5323290), (7, 4562820), (9, 3548860), (10, 3193974), (12, 2661645), (14, 2281410), (15, 2129316), (18, 1774430), (20, 1596987), (21, 1520940), (28, 1140705), (30, 1064658), (35, 912564), (36, 887215), (42, 760470), (45, 709772), (60, 532329), (63, 506980), (70, 456282), (84, 380235), (90, 354886), (105, 304188), (126, 253490), (140, 228141), (180, 177443), (210, 152094), (252, 126745), (315, 101396), (420, 76047), (630, 50698), (1260, 25349)]