1034716720

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{1621}}^1$

素因数の和:1814

約数の個数: 80

約数和(自身を含む): 2461806720

約数和(自身を除く): 1427090000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 101, 158, 202, 316, 395, 404, 505, 632, 790, 808, 1010, 1264, 1580, 1616, 1621, 2020, 3160, 3242, 4040, 6320, 6484, 7979, 8080, 8105, 12968, 15958, 16210, 25936, 31916, 32420, 39895, 63832, 64840, 79790, 127664, 128059, 129680, 159580, 163721, 256118, 319160, 327442, 512236, 638320, 640295, 654884, 818605, 1024472, 1280590, 1309768, 1637210, 2048944, 2561180, 2619536, 3274420, 5122360, 6548840, 10244720, 12933959, 13097680, 25867918, 51735836, 64669795, 103471672, 129339590, 206943344, 258679180, 517358360, 1034716720]

約数ペア:

[(1, 1034716720), (2, 517358360), (4, 258679180), (5, 206943344), (8, 129339590), (10, 103471672), (16, 64669795), (20, 51735836), (40, 25867918), (79, 13097680), (80, 12933959), (101, 10244720), (158, 6548840), (202, 5122360), (316, 3274420), (395, 2619536), (404, 2561180), (505, 2048944), (632, 1637210), (790, 1309768), (808, 1280590), (1010, 1024472), (1264, 818605), (1580, 654884), (1616, 640295), (1621, 638320), (2020, 512236), (3160, 327442), (3242, 319160), (4040, 256118), (6320, 163721), (6484, 159580), (7979, 129680), (8080, 128059), (8105, 127664), (12968, 79790), (15958, 64840), (16210, 63832), (25936, 39895), (31916, 32420)]