25605540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7487}}^1$

素因数の和:7521

約数の個数: 72

約数和(自身を含む): 81768960

約数和(自身を除く): 56163420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 7487, 14974, 22461, 29948, 37435, 44922, 67383, 74870, 89844, 112305, 134766, 142253, 149740, 224610, 269532, 284506, 336915, 426759, 449220, 569012, 673830, 711265, 853518, 1280277, 1347660, 1422530, 1707036, 2133795, 2560554, 2845060, 4267590, 5121108, 6401385, 8535180, 12802770, 25605540]

約数ペア:

[(1, 25605540), (2, 12802770), (3, 8535180), (4, 6401385), (5, 5121108), (6, 4267590), (9, 2845060), (10, 2560554), (12, 2133795), (15, 1707036), (18, 1422530), (19, 1347660), (20, 1280277), (30, 853518), (36, 711265), (38, 673830), (45, 569012), (57, 449220), (60, 426759), (76, 336915), (90, 284506), (95, 269532), (114, 224610), (171, 149740), (180, 142253), (190, 134766), (228, 112305), (285, 89844), (342, 74870), (380, 67383), (570, 44922), (684, 37435), (855, 29948), (1140, 22461), (1710, 14974), (3420, 7487)]