678151720

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{2213}}^1$

素因数の和:2434

約数の個数: 64

約数和(自身を含む): 1568574720

約数和(自身を除く): 890423000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 163, 188, 235, 326, 376, 470, 652, 815, 940, 1304, 1630, 1880, 2213, 3260, 4426, 6520, 7661, 8852, 11065, 15322, 17704, 22130, 30644, 38305, 44260, 61288, 76610, 88520, 104011, 153220, 208022, 306440, 360719, 416044, 520055, 721438, 832088, 1040110, 1442876, 1803595, 2080220, 2885752, 3607190, 4160440, 7214380, 14428760, 16953793, 33907586, 67815172, 84768965, 135630344, 169537930, 339075860, 678151720]

約数ペア:

[(1, 678151720), (2, 339075860), (4, 169537930), (5, 135630344), (8, 84768965), (10, 67815172), (20, 33907586), (40, 16953793), (47, 14428760), (94, 7214380), (163, 4160440), (188, 3607190), (235, 2885752), (326, 2080220), (376, 1803595), (470, 1442876), (652, 1040110), (815, 832088), (940, 721438), (1304, 520055), (1630, 416044), (1880, 360719), (2213, 306440), (3260, 208022), (4426, 153220), (6520, 104011), (7661, 88520), (8852, 76610), (11065, 61288), (15322, 44260), (17704, 38305), (22130, 30644)]