80988160

素因数分解:

$2^{11}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{719}}^1$

素因数の和:757

約数の個数: 96

約数和(自身を含む): 212284800

約数和(自身を除く): 131296640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 704, 719, 880, 1024, 1280, 1408, 1438, 1760, 2048, 2560, 2816, 2876, 3520, 3595, 5120, 5632, 5752, 7040, 7190, 7909, 10240, 11264, 11504, 14080, 14380, 15818, 22528, 23008, 28160, 28760, 31636, 39545, 46016, 56320, 57520, 63272, 79090, 92032, 112640, 115040, 126544, 158180, 184064, 230080, 253088, 316360, 368128, 460160, 506176, 632720, 736256, 920320, 1012352, 1265440, 1472512, 1840640, 2024704, 2530880, 3681280, 4049408, 5061760, 7362560, 8098816, 10123520, 16197632, 20247040, 40494080, 80988160]

約数ペア:

[(1, 80988160), (2, 40494080), (4, 20247040), (5, 16197632), (8, 10123520), (10, 8098816), (11, 7362560), (16, 5061760), (20, 4049408), (22, 3681280), (32, 2530880), (40, 2024704), (44, 1840640), (55, 1472512), (64, 1265440), (80, 1012352), (88, 920320), (110, 736256), (128, 632720), (160, 506176), (176, 460160), (220, 368128), (256, 316360), (320, 253088), (352, 230080), (440, 184064), (512, 158180), (640, 126544), (704, 115040), (719, 112640), (880, 92032), (1024, 79090), (1280, 63272), (1408, 57520), (1438, 56320), (1760, 46016), (2048, 39545), (2560, 31636), (2816, 28760), (2876, 28160), (3520, 23008), (3595, 22528), (5120, 15818), (5632, 14380), (5752, 14080), (7040, 11504), (7190, 11264), (7909, 10240)]