64742640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{269761}}^1$

素因数の和:269777

約数の個数: 40

約数和(自身を含む): 200702928

約数和(自身を除く): 135960288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 269761, 539522, 809283, 1079044, 1348805, 1618566, 2158088, 2697610, 3237132, 4046415, 4316176, 5395220, 6474264, 8092830, 10790440, 12948528, 16185660, 21580880, 32371320, 64742640]

約数ペア:

[(1, 64742640), (2, 32371320), (3, 21580880), (4, 16185660), (5, 12948528), (6, 10790440), (8, 8092830), (10, 6474264), (12, 5395220), (15, 4316176), (16, 4046415), (20, 3237132), (24, 2697610), (30, 2158088), (40, 1618566), (48, 1348805), (60, 1079044), (80, 809283), (120, 539522), (240, 269761)]