72820170

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1553}}^1$

素因数の和:2087

約数の個数: 48

約数和(自身を含む): 189817992

約数和(自身を除く): 116997822

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 521, 1042, 1553, 1563, 2605, 3106, 3126, 4659, 4689, 5210, 7765, 7815, 9318, 9378, 13977, 15530, 15630, 23295, 23445, 27954, 46590, 46890, 69885, 139770, 809113, 1618226, 2427339, 4045565, 4854678, 7282017, 8091130, 12136695, 14564034, 24273390, 36410085, 72820170]

約数ペア:

[(1, 72820170), (2, 36410085), (3, 24273390), (5, 14564034), (6, 12136695), (9, 8091130), (10, 7282017), (15, 4854678), (18, 4045565), (30, 2427339), (45, 1618226), (90, 809113), (521, 139770), (1042, 69885), (1553, 46890), (1563, 46590), (2605, 27954), (3106, 23445), (3126, 23295), (4659, 15630), (4689, 15530), (5210, 13977), (7765, 9378), (7815, 9318)]