64270720

素因数分解:

$2^7\times 5^1\times {\mathrm{233}}^1\times {\mathrm{431}}^1$

素因数の和:683

約数の個数: 64

約数和(自身を含む): 154664640

約数和(自身を除く): 90393920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 233, 320, 431, 466, 640, 862, 932, 1165, 1724, 1864, 2155, 2330, 3448, 3728, 4310, 4660, 6896, 7456, 8620, 9320, 13792, 14912, 17240, 18640, 27584, 29824, 34480, 37280, 55168, 68960, 74560, 100423, 137920, 149120, 200846, 275840, 401692, 502115, 803384, 1004230, 1606768, 2008460, 3213536, 4016920, 6427072, 8033840, 12854144, 16067680, 32135360, 64270720]

約数ペア:

[(1, 64270720), (2, 32135360), (4, 16067680), (5, 12854144), (8, 8033840), (10, 6427072), (16, 4016920), (20, 3213536), (32, 2008460), (40, 1606768), (64, 1004230), (80, 803384), (128, 502115), (160, 401692), (233, 275840), (320, 200846), (431, 149120), (466, 137920), (640, 100423), (862, 74560), (932, 68960), (1165, 55168), (1724, 37280), (1864, 34480), (2155, 29824), (2330, 27584), (3448, 18640), (3728, 17240), (4310, 14912), (4660, 13792), (6896, 9320), (7456, 8620)]