154280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:66

約数の個数: 64

約数和(自身を含む): 432000

約数和(自身を除く): 277720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 29, 35, 38, 40, 56, 58, 70, 76, 95, 116, 133, 140, 145, 152, 190, 203, 232, 266, 280, 290, 380, 406, 532, 551, 580, 665, 760, 812, 1015, 1064, 1102, 1160, 1330, 1624, 2030, 2204, 2660, 2755, 3857, 4060, 4408, 5320, 5510, 7714, 8120, 11020, 15428, 19285, 22040, 30856, 38570, 77140, 154280]

約数ペア:

[(1, 154280), (2, 77140), (4, 38570), (5, 30856), (7, 22040), (8, 19285), (10, 15428), (14, 11020), (19, 8120), (20, 7714), (28, 5510), (29, 5320), (35, 4408), (38, 4060), (40, 3857), (56, 2755), (58, 2660), (70, 2204), (76, 2030), (95, 1624), (116, 1330), (133, 1160), (140, 1102), (145, 1064), (152, 1015), (190, 812), (203, 760), (232, 665), (266, 580), (280, 551), (290, 532), (380, 406)]