1881697840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{27067}}^1$

素因数の和:27170

約数の個数: 80

約数和(自身を含む): 4833262080

約数和(自身を除く): 2951564240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 79, 80, 88, 110, 158, 176, 220, 316, 395, 440, 632, 790, 869, 880, 1264, 1580, 1738, 3160, 3476, 4345, 6320, 6952, 8690, 13904, 17380, 27067, 34760, 54134, 69520, 108268, 135335, 216536, 270670, 297737, 433072, 541340, 595474, 1082680, 1190948, 1488685, 2138293, 2165360, 2381896, 2977370, 4276586, 4763792, 5954740, 8553172, 10691465, 11909480, 17106344, 21382930, 23521223, 23818960, 34212688, 42765860, 47042446, 85531720, 94084892, 117606115, 171063440, 188169784, 235212230, 376339568, 470424460, 940848920, 1881697840]

約数ペア:

[(1, 1881697840), (2, 940848920), (4, 470424460), (5, 376339568), (8, 235212230), (10, 188169784), (11, 171063440), (16, 117606115), (20, 94084892), (22, 85531720), (40, 47042446), (44, 42765860), (55, 34212688), (79, 23818960), (80, 23521223), (88, 21382930), (110, 17106344), (158, 11909480), (176, 10691465), (220, 8553172), (316, 5954740), (395, 4763792), (440, 4276586), (632, 2977370), (790, 2381896), (869, 2165360), (880, 2138293), (1264, 1488685), (1580, 1190948), (1738, 1082680), (3160, 595474), (3476, 541340), (4345, 433072), (6320, 297737), (6952, 270670), (8690, 216536), (13904, 135335), (17380, 108268), (27067, 69520), (34760, 54134)]