72804540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{521}}^1$

素因数の和:687

約数の個数: 96

約数和(自身を含む): 217836864

約数和(自身を除く): 145032324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 137, 170, 204, 255, 274, 340, 411, 510, 521, 548, 685, 822, 1020, 1042, 1370, 1563, 1644, 2055, 2084, 2329, 2605, 2740, 3126, 4110, 4658, 5210, 6252, 6987, 7815, 8220, 8857, 9316, 10420, 11645, 13974, 15630, 17714, 23290, 26571, 27948, 31260, 34935, 35428, 44285, 46580, 53142, 69870, 71377, 88570, 106284, 132855, 139740, 142754, 177140, 214131, 265710, 285508, 356885, 428262, 531420, 713770, 856524, 1070655, 1213409, 1427540, 2141310, 2426818, 3640227, 4282620, 4853636, 6067045, 7280454, 12134090, 14560908, 18201135, 24268180, 36402270, 72804540]

約数ペア:

[(1, 72804540), (2, 36402270), (3, 24268180), (4, 18201135), (5, 14560908), (6, 12134090), (10, 7280454), (12, 6067045), (15, 4853636), (17, 4282620), (20, 3640227), (30, 2426818), (34, 2141310), (51, 1427540), (60, 1213409), (68, 1070655), (85, 856524), (102, 713770), (137, 531420), (170, 428262), (204, 356885), (255, 285508), (274, 265710), (340, 214131), (411, 177140), (510, 142754), (521, 139740), (548, 132855), (685, 106284), (822, 88570), (1020, 71377), (1042, 69870), (1370, 53142), (1563, 46580), (1644, 44285), (2055, 35428), (2084, 34935), (2329, 31260), (2605, 27948), (2740, 26571), (3126, 23290), (4110, 17714), (4658, 15630), (5210, 13974), (6252, 11645), (6987, 10420), (7815, 9316), (8220, 8857)]