28480380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{12829}}^1$

素因数の和:12878

約数の個数: 48

約数和(自身を含む): 81906720

約数和(自身を除く): 53426340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 12829, 25658, 38487, 51316, 64145, 76974, 128290, 153948, 192435, 256580, 384870, 474673, 769740, 949346, 1424019, 1898692, 2373365, 2848038, 4746730, 5696076, 7120095, 9493460, 14240190, 28480380]

約数ペア:

[(1, 28480380), (2, 14240190), (3, 9493460), (4, 7120095), (5, 5696076), (6, 4746730), (10, 2848038), (12, 2373365), (15, 1898692), (20, 1424019), (30, 949346), (37, 769740), (60, 474673), (74, 384870), (111, 256580), (148, 192435), (185, 153948), (222, 128290), (370, 76974), (444, 64145), (555, 51316), (740, 38487), (1110, 25658), (2220, 12829)]