81614960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{8573}}^1$

素因数の和:8610

約数の個数: 80

約数和(自身を含む): 229646016

約数和(自身を除く): 148031056

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 4760, 8573, 9520, 17146, 34292, 42865, 60011, 68584, 85730, 120022, 137168, 145741, 171460, 240044, 291482, 300055, 342920, 480088, 582964, 600110, 685840, 728705, 960176, 1020187, 1165928, 1200220, 1457410, 2040374, 2331856, 2400440, 2914820, 4080748, 4800880, 5100935, 5829640, 8161496, 10201870, 11659280, 16322992, 20403740, 40807480, 81614960]

約数ペア:

[(1, 81614960), (2, 40807480), (4, 20403740), (5, 16322992), (7, 11659280), (8, 10201870), (10, 8161496), (14, 5829640), (16, 5100935), (17, 4800880), (20, 4080748), (28, 2914820), (34, 2400440), (35, 2331856), (40, 2040374), (56, 1457410), (68, 1200220), (70, 1165928), (80, 1020187), (85, 960176), (112, 728705), (119, 685840), (136, 600110), (140, 582964), (170, 480088), (238, 342920), (272, 300055), (280, 291482), (340, 240044), (476, 171460), (560, 145741), (595, 137168), (680, 120022), (952, 85730), (1190, 68584), (1360, 60011), (1904, 42865), (2380, 34292), (4760, 17146), (8573, 9520)]