81792760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1439}}^1$

素因数の和:1493

約数の個数: 96

約数和(自身を含む): 221616000

約数和(自身を除く): 139823240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 49, 56, 58, 70, 98, 116, 140, 145, 196, 203, 232, 245, 280, 290, 392, 406, 490, 580, 812, 980, 1015, 1160, 1421, 1439, 1624, 1960, 2030, 2842, 2878, 4060, 5684, 5756, 7105, 7195, 8120, 10073, 11368, 11512, 14210, 14390, 20146, 28420, 28780, 40292, 41731, 50365, 56840, 57560, 70511, 80584, 83462, 100730, 141022, 166924, 201460, 208655, 282044, 292117, 333848, 352555, 402920, 417310, 564088, 584234, 705110, 834620, 1168468, 1410220, 1460585, 1669240, 2044819, 2336936, 2820440, 2921170, 4089638, 5842340, 8179276, 10224095, 11684680, 16358552, 20448190, 40896380, 81792760]

約数ペア:

[(1, 81792760), (2, 40896380), (4, 20448190), (5, 16358552), (7, 11684680), (8, 10224095), (10, 8179276), (14, 5842340), (20, 4089638), (28, 2921170), (29, 2820440), (35, 2336936), (40, 2044819), (49, 1669240), (56, 1460585), (58, 1410220), (70, 1168468), (98, 834620), (116, 705110), (140, 584234), (145, 564088), (196, 417310), (203, 402920), (232, 352555), (245, 333848), (280, 292117), (290, 282044), (392, 208655), (406, 201460), (490, 166924), (580, 141022), (812, 100730), (980, 83462), (1015, 80584), (1160, 70511), (1421, 57560), (1439, 56840), (1624, 50365), (1960, 41731), (2030, 40292), (2842, 28780), (2878, 28420), (4060, 20146), (5684, 14390), (5756, 14210), (7105, 11512), (7195, 11368), (8120, 10073)]