1661165380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{12347}}^1$

素因数の和:12425

約数の個数: 72

約数和(自身を含む): 4119885504

約数和(自身を除く): 2458720124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 961, 1085, 1922, 2170, 3844, 4340, 4805, 6727, 9610, 12347, 13454, 19220, 24694, 26908, 33635, 49388, 61735, 67270, 86429, 123470, 134540, 172858, 246940, 345716, 382757, 432145, 765514, 864290, 1531028, 1728580, 1913785, 2679299, 3827570, 5358598, 7655140, 10717196, 11865467, 13396495, 23730934, 26792990, 47461868, 53585980, 59327335, 83058269, 118654670, 166116538, 237309340, 332233076, 415291345, 830582690, 1661165380]

約数ペア:

[(1, 1661165380), (2, 830582690), (4, 415291345), (5, 332233076), (7, 237309340), (10, 166116538), (14, 118654670), (20, 83058269), (28, 59327335), (31, 53585980), (35, 47461868), (62, 26792990), (70, 23730934), (124, 13396495), (140, 11865467), (155, 10717196), (217, 7655140), (310, 5358598), (434, 3827570), (620, 2679299), (868, 1913785), (961, 1728580), (1085, 1531028), (1922, 864290), (2170, 765514), (3844, 432145), (4340, 382757), (4805, 345716), (6727, 246940), (9610, 172858), (12347, 134540), (13454, 123470), (19220, 86429), (24694, 67270), (26908, 61735), (33635, 49388)]