161515312

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{503}}^1$

素因数の和:626

約数の個数: 80

約数和(自身を含む): 371976192

約数和(自身を除く): 210460880

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 61, 94, 112, 122, 188, 244, 329, 376, 427, 488, 503, 658, 752, 854, 976, 1006, 1316, 1708, 2012, 2632, 2867, 3416, 3521, 4024, 5264, 5734, 6832, 7042, 8048, 11468, 14084, 20069, 22936, 23641, 28168, 30683, 40138, 45872, 47282, 56336, 61366, 80276, 94564, 122732, 160552, 165487, 189128, 214781, 245464, 321104, 330974, 378256, 429562, 490928, 661948, 859124, 1323896, 1442101, 1718248, 2647792, 2884202, 3436496, 5768404, 10094707, 11536808, 20189414, 23073616, 40378828, 80757656, 161515312]

約数ペア:

[(1, 161515312), (2, 80757656), (4, 40378828), (7, 23073616), (8, 20189414), (14, 11536808), (16, 10094707), (28, 5768404), (47, 3436496), (56, 2884202), (61, 2647792), (94, 1718248), (112, 1442101), (122, 1323896), (188, 859124), (244, 661948), (329, 490928), (376, 429562), (427, 378256), (488, 330974), (503, 321104), (658, 245464), (752, 214781), (854, 189128), (976, 165487), (1006, 160552), (1316, 122732), (1708, 94564), (2012, 80276), (2632, 61366), (2867, 56336), (3416, 47282), (3521, 45872), (4024, 40138), (5264, 30683), (5734, 28168), (6832, 23641), (7042, 22936), (8048, 20069), (11468, 14084)]