81754978060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79}}^2\times {\mathrm{13367}}^1$

素因数の和:13548

約数の個数: 108

約数和(自身を含む): 202290912432

約数和(自身を除く): 120535934372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 98, 140, 158, 196, 245, 316, 395, 490, 553, 790, 980, 1106, 1580, 2212, 2765, 3871, 5530, 6241, 7742, 11060, 12482, 13367, 15484, 19355, 24964, 26734, 31205, 38710, 43687, 53468, 62410, 66835, 77420, 87374, 93569, 124820, 133670, 174748, 187138, 218435, 267340, 305809, 374276, 436870, 467845, 611618, 654983, 873740, 935690, 1055993, 1223236, 1309966, 1529045, 1871380, 2111986, 2619932, 3058090, 3274915, 4223972, 5279965, 6116180, 6549830, 7391951, 10559930, 13099660, 14783902, 21119860, 29567804, 36959755, 51743657, 73919510, 83423447, 103487314, 147839020, 166846894, 206974628, 258718285, 333693788, 417117235, 517436570, 583964129, 834234470, 1034873140, 1167928258, 1668468940, 2335856516, 2919820645, 4087748903, 5839641290, 8175497806, 11679282580, 16350995612, 20438744515, 40877489030, 81754978060]

約数ペア:

[(1, 81754978060), (2, 40877489030), (4, 20438744515), (5, 16350995612), (7, 11679282580), (10, 8175497806), (14, 5839641290), (20, 4087748903), (28, 2919820645), (35, 2335856516), (49, 1668468940), (70, 1167928258), (79, 1034873140), (98, 834234470), (140, 583964129), (158, 517436570), (196, 417117235), (245, 333693788), (316, 258718285), (395, 206974628), (490, 166846894), (553, 147839020), (790, 103487314), (980, 83423447), (1106, 73919510), (1580, 51743657), (2212, 36959755), (2765, 29567804), (3871, 21119860), (5530, 14783902), (6241, 13099660), (7742, 10559930), (11060, 7391951), (12482, 6549830), (13367, 6116180), (15484, 5279965), (19355, 4223972), (24964, 3274915), (26734, 3058090), (31205, 2619932), (38710, 2111986), (43687, 1871380), (53468, 1529045), (62410, 1309966), (66835, 1223236), (77420, 1055993), (87374, 935690), (93569, 873740), (124820, 654983), (133670, 611618), (174748, 467845), (187138, 436870), (218435, 374276), (267340, 305809)]