161976320

素因数分解:

$2^{12}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{719}}^1$

素因数の和:759

約数の個数: 104

約数和(自身を含む): 424621440

約数和(自身を除く): 262645120

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, 4096, 5120, 5632, 5752, 7040, 7190, 7909, 10240, 11264, 11504, 14080, 14380, 15818, 20480, 22528, 23008, 28160, 28760, 31636, 39545, 45056, 46016, 56320, 57520, 63272, 79090, 92032, 112640, 115040, 126544, 158180, 184064, 225280, 230080, 253088, 316360, 368128, 460160, 506176, 632720, 736256, 920320, 1012352, 1265440, 1472512, 1840640, 2024704, 2530880, 2945024, 3681280, 4049408, 5061760, 7362560, 8098816, 10123520, 14725120, 16197632, 20247040, 32395264, 40494080, 80988160, 161976320]

約数ペア:

[(1, 161976320), (2, 80988160), (4, 40494080), (5, 32395264), (8, 20247040), (10, 16197632), (11, 14725120), (16, 10123520), (20, 8098816), (22, 7362560), (32, 5061760), (40, 4049408), (44, 3681280), (55, 2945024), (64, 2530880), (80, 2024704), (88, 1840640), (110, 1472512), (128, 1265440), (160, 1012352), (176, 920320), (220, 736256), (256, 632720), (320, 506176), (352, 460160), (440, 368128), (512, 316360), (640, 253088), (704, 230080), (719, 225280), (880, 184064), (1024, 158180), (1280, 126544), (1408, 115040), (1438, 112640), (1760, 92032), (2048, 79090), (2560, 63272), (2816, 57520), (2876, 56320), (3520, 46016), (3595, 45056), (4096, 39545), (5120, 31636), (5632, 28760), (5752, 28160), (7040, 23008), (7190, 22528), (7909, 20480), (10240, 15818), (11264, 14380), (11504, 14080)]