8781420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7703}}^1$

素因数の和:7734

約数の個数: 48

約数和(自身を含む): 25885440

約数和(自身を除く): 17104020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 7703, 15406, 23109, 30812, 38515, 46218, 77030, 92436, 115545, 146357, 154060, 231090, 292714, 439071, 462180, 585428, 731785, 878142, 1463570, 1756284, 2195355, 2927140, 4390710, 8781420]

約数ペア:

[(1, 8781420), (2, 4390710), (3, 2927140), (4, 2195355), (5, 1756284), (6, 1463570), (10, 878142), (12, 731785), (15, 585428), (19, 462180), (20, 439071), (30, 292714), (38, 231090), (57, 154060), (60, 146357), (76, 115545), (95, 92436), (114, 77030), (190, 46218), (228, 38515), (285, 30812), (380, 23109), (570, 15406), (1140, 7703)]