15673340

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 34685280

約数和(自身を除く): 19011940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 116, 122, 145, 244, 290, 305, 443, 580, 610, 886, 1220, 1769, 1772, 2215, 3538, 4430, 7076, 8845, 8860, 12847, 17690, 25694, 27023, 35380, 51388, 54046, 64235, 108092, 128470, 135115, 256940, 270230, 540460, 783667, 1567334, 3134668, 3918335, 7836670, 15673340]

約数ペア:

[(1, 15673340), (2, 7836670), (4, 3918335), (5, 3134668), (10, 1567334), (20, 783667), (29, 540460), (58, 270230), (61, 256940), (116, 135115), (122, 128470), (145, 108092), (244, 64235), (290, 54046), (305, 51388), (443, 35380), (580, 27023), (610, 25694), (886, 17690), (1220, 12847), (1769, 8860), (1772, 8845), (2215, 7076), (3538, 4430)]