689876820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{11579}}^1$

素因数の和:11925

約数の個数: 72

約数和(自身を含む): 2099129760

約数和(自身を除く): 1409252940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 331, 662, 993, 1324, 1655, 1986, 2979, 3310, 3972, 4965, 5958, 6620, 9930, 11579, 11916, 14895, 19860, 23158, 29790, 34737, 46316, 57895, 59580, 69474, 104211, 115790, 138948, 173685, 208422, 231580, 347370, 416844, 521055, 694740, 1042110, 2084220, 3832649, 7665298, 11497947, 15330596, 19163245, 22995894, 34493841, 38326490, 45991788, 57489735, 68987682, 76652980, 114979470, 137975364, 172469205, 229958940, 344938410, 689876820]

約数ペア:

[(1, 689876820), (2, 344938410), (3, 229958940), (4, 172469205), (5, 137975364), (6, 114979470), (9, 76652980), (10, 68987682), (12, 57489735), (15, 45991788), (18, 38326490), (20, 34493841), (30, 22995894), (36, 19163245), (45, 15330596), (60, 11497947), (90, 7665298), (180, 3832649), (331, 2084220), (662, 1042110), (993, 694740), (1324, 521055), (1655, 416844), (1986, 347370), (2979, 231580), (3310, 208422), (3972, 173685), (4965, 138948), (5958, 115790), (6620, 104211), (9930, 69474), (11579, 59580), (11916, 57895), (14895, 46316), (19860, 34737), (23158, 29790)]