678399660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{121577}}^1$

素因数の和:121623

約数の個数: 72

約数和(自身を含む): 2124210816

約数和(自身を除く): 1445811156

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 121577, 243154, 364731, 486308, 607885, 729462, 1094193, 1215770, 1458924, 1823655, 2188386, 2431540, 3647310, 3768887, 4376772, 5470965, 7294620, 7537774, 10941930, 11306661, 15075548, 18844435, 21883860, 22613322, 33919983, 37688870, 45226644, 56533305, 67839966, 75377740, 113066610, 135679932, 169599915, 226133220, 339199830, 678399660]

約数ペア:

[(1, 678399660), (2, 339199830), (3, 226133220), (4, 169599915), (5, 135679932), (6, 113066610), (9, 75377740), (10, 67839966), (12, 56533305), (15, 45226644), (18, 37688870), (20, 33919983), (30, 22613322), (31, 21883860), (36, 18844435), (45, 15075548), (60, 11306661), (62, 10941930), (90, 7537774), (93, 7294620), (124, 5470965), (155, 4376772), (180, 3768887), (186, 3647310), (279, 2431540), (310, 2188386), (372, 1823655), (465, 1458924), (558, 1215770), (620, 1094193), (930, 729462), (1116, 607885), (1395, 486308), (1860, 364731), (2790, 243154), (5580, 121577)]