16788780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4909}}^1$

素因数の和:4943

約数の個数: 72

約数和(自身を含む): 53617200

約数和(自身を除く): 36828420

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, 4909, 9818, 14727, 19636, 24545, 29454, 44181, 49090, 58908, 73635, 88362, 93271, 98180, 147270, 176724, 186542, 220905, 279813, 294540, 373084, 441810, 466355, 559626, 839439, 883620, 932710, 1119252, 1399065, 1678878, 1865420, 2798130, 3357756, 4197195, 5596260, 8394390, 16788780]

約数ペア:

[(1, 16788780), (2, 8394390), (3, 5596260), (4, 4197195), (5, 3357756), (6, 2798130), (9, 1865420), (10, 1678878), (12, 1399065), (15, 1119252), (18, 932710), (19, 883620), (20, 839439), (30, 559626), (36, 466355), (38, 441810), (45, 373084), (57, 294540), (60, 279813), (76, 220905), (90, 186542), (95, 176724), (114, 147270), (171, 98180), (180, 93271), (190, 88362), (228, 73635), (285, 58908), (342, 49090), (380, 44181), (570, 29454), (684, 24545), (855, 19636), (1140, 14727), (1710, 9818), (3420, 4909)]