1878161920

素因数分解:

$2^9\times 5^1\times {\mathrm{467}}^1\times {\mathrm{1571}}^1$

素因数の和:2061

約数の個数: 80

約数和(自身を含む): 4515702048

約数和(自身を除く): 2637540128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 467, 512, 640, 934, 1280, 1571, 1868, 2335, 2560, 3142, 3736, 4670, 6284, 7472, 7855, 9340, 12568, 14944, 15710, 18680, 25136, 29888, 31420, 37360, 50272, 59776, 62840, 74720, 100544, 119552, 125680, 149440, 201088, 239104, 251360, 298880, 402176, 502720, 597760, 733657, 804352, 1005440, 1195520, 1467314, 2010880, 2934628, 3668285, 4021760, 5869256, 7336570, 11738512, 14673140, 23477024, 29346280, 46954048, 58692560, 93908096, 117385120, 187816192, 234770240, 375632384, 469540480, 939080960, 1878161920]

約数ペア:

[(1, 1878161920), (2, 939080960), (4, 469540480), (5, 375632384), (8, 234770240), (10, 187816192), (16, 117385120), (20, 93908096), (32, 58692560), (40, 46954048), (64, 29346280), (80, 23477024), (128, 14673140), (160, 11738512), (256, 7336570), (320, 5869256), (467, 4021760), (512, 3668285), (640, 2934628), (934, 2010880), (1280, 1467314), (1571, 1195520), (1868, 1005440), (2335, 804352), (2560, 733657), (3142, 597760), (3736, 502720), (4670, 402176), (6284, 298880), (7472, 251360), (7855, 239104), (9340, 201088), (12568, 149440), (14944, 125680), (15710, 119552), (18680, 100544), (25136, 74720), (29888, 62840), (31420, 59776), (37360, 50272)]