1643287520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{877}}^1$

素因数の和:1145

約数の個数: 144

約数和(自身を含む): 4540173120

約数和(自身を除く): 2896885600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 239, 245, 280, 392, 478, 490, 560, 784, 877, 956, 980, 1120, 1195, 1568, 1673, 1754, 1912, 1960, 2390, 3346, 3508, 3824, 3920, 4385, 4780, 6139, 6692, 7016, 7648, 7840, 8365, 8770, 9560, 11711, 12278, 13384, 14032, 16730, 17540, 19120, 23422, 24556, 26768, 28064, 30695, 33460, 35080, 38240, 42973, 46844, 49112, 53536, 58555, 61390, 66920, 70160, 85946, 93688, 98224, 117110, 122780, 133840, 140320, 171892, 187376, 196448, 209603, 214865, 234220, 245560, 267680, 343784, 374752, 419206, 429730, 468440, 491120, 687568, 838412, 859460, 936880, 982240, 1048015, 1375136, 1467221, 1676824, 1718920, 1873760, 2096030, 2934442, 3353648, 3437840, 4192060, 5868884, 6707296, 6875680, 7336105, 8384120, 10270547, 11737768, 14672210, 16768240, 20541094, 23475536, 29344420, 33536480, 41082188, 46951072, 51352735, 58688840, 82164376, 102705470, 117377680, 164328752, 205410940, 234755360, 328657504, 410821880, 821643760, 1643287520]

約数ペア:

[(1, 1643287520), (2, 821643760), (4, 410821880), (5, 328657504), (7, 234755360), (8, 205410940), (10, 164328752), (14, 117377680), (16, 102705470), (20, 82164376), (28, 58688840), (32, 51352735), (35, 46951072), (40, 41082188), (49, 33536480), (56, 29344420), (70, 23475536), (80, 20541094), (98, 16768240), (112, 14672210), (140, 11737768), (160, 10270547), (196, 8384120), (224, 7336105), (239, 6875680), (245, 6707296), (280, 5868884), (392, 4192060), (478, 3437840), (490, 3353648), (560, 2934442), (784, 2096030), (877, 1873760), (956, 1718920), (980, 1676824), (1120, 1467221), (1195, 1375136), (1568, 1048015), (1673, 982240), (1754, 936880), (1912, 859460), (1960, 838412), (2390, 687568), (3346, 491120), (3508, 468440), (3824, 429730), (3920, 419206), (4385, 374752), (4780, 343784), (6139, 267680), (6692, 245560), (7016, 234220), (7648, 214865), (7840, 209603), (8365, 196448), (8770, 187376), (9560, 171892), (11711, 140320), (12278, 133840), (13384, 122780), (14032, 117110), (16730, 98224), (17540, 93688), (19120, 85946), (23422, 70160), (24556, 66920), (26768, 61390), (28064, 58555), (30695, 53536), (33460, 49112), (35080, 46844), (38240, 42973)]