39887820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31657}}^1$

素因数の和:31679

約数の個数: 72

約数和(自身を含む): 138282144

約数和(自身を除く): 98394324

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, 31657, 63314, 94971, 126628, 158285, 189942, 221599, 284913, 316570, 379884, 443198, 474855, 569826, 633140, 664797, 886396, 949710, 1107995, 1139652, 1329594, 1424565, 1899420, 1994391, 2215990, 2659188, 2849130, 3323985, 3988782, 4431980, 5698260, 6647970, 7977564, 9971955, 13295940, 19943910, 39887820]

約数ペア:

[(1, 39887820), (2, 19943910), (3, 13295940), (4, 9971955), (5, 7977564), (6, 6647970), (7, 5698260), (9, 4431980), (10, 3988782), (12, 3323985), (14, 2849130), (15, 2659188), (18, 2215990), (20, 1994391), (21, 1899420), (28, 1424565), (30, 1329594), (35, 1139652), (36, 1107995), (42, 949710), (45, 886396), (60, 664797), (63, 633140), (70, 569826), (84, 474855), (90, 443198), (105, 379884), (126, 316570), (140, 284913), (180, 221599), (210, 189942), (252, 158285), (315, 126628), (420, 94971), (630, 63314), (1260, 31657)]