71977860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4493}}^1$

素因数の和:4597

約数の個数: 72

約数和(自身を含む): 220835160

約数和(自身を除く): 148857300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1780, 2670, 3204, 4005, 4493, 5340, 8010, 8986, 13479, 16020, 17972, 22465, 26958, 40437, 44930, 53916, 67395, 80874, 89860, 134790, 161748, 202185, 269580, 399877, 404370, 799754, 808740, 1199631, 1599508, 1999385, 2399262, 3598893, 3998770, 4798524, 5998155, 7197786, 7997540, 11996310, 14395572, 17994465, 23992620, 35988930, 71977860]

約数ペア:

[(1, 71977860), (2, 35988930), (3, 23992620), (4, 17994465), (5, 14395572), (6, 11996310), (9, 7997540), (10, 7197786), (12, 5998155), (15, 4798524), (18, 3998770), (20, 3598893), (30, 2399262), (36, 1999385), (45, 1599508), (60, 1199631), (89, 808740), (90, 799754), (178, 404370), (180, 399877), (267, 269580), (356, 202185), (445, 161748), (534, 134790), (801, 89860), (890, 80874), (1068, 67395), (1335, 53916), (1602, 44930), (1780, 40437), (2670, 26958), (3204, 22465), (4005, 17972), (4493, 16020), (5340, 13479), (8010, 8986)]