80248140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{63689}}^1$

素因数の和:63711

約数の個数: 72

約数和(自身を含む): 278197920

約数和(自身を除く): 197949780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 63689, 127378, 191067, 254756, 318445, 382134, 445823, 573201, 636890, 764268, 891646, 955335, 1146402, 1273780, 1337469, 1783292, 1910670, 2229115, 2292804, 2674938, 2866005, 3821340, 4012407, 4458230, 5349876, 5732010, 6687345, 8024814, 8916460, 11464020, 13374690, 16049628, 20062035, 26749380, 40124070, 80248140]

約数ペア:

[(1, 80248140), (2, 40124070), (3, 26749380), (4, 20062035), (5, 16049628), (6, 13374690), (7, 11464020), (9, 8916460), (10, 8024814), (12, 6687345), (14, 5732010), (15, 5349876), (18, 4458230), (20, 4012407), (21, 3821340), (28, 2866005), (30, 2674938), (35, 2292804), (36, 2229115), (42, 1910670), (45, 1783292), (60, 1337469), (63, 1273780), (70, 1146402), (84, 955335), (90, 891646), (105, 764268), (126, 636890), (140, 573201), (180, 445823), (210, 382134), (252, 318445), (315, 254756), (420, 191067), (630, 127378), (1260, 63689)]