217644540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{563}}^1$

素因数の和:971

約数の個数: 96

約数和(自身を含む): 648103680

約数和(自身を除く): 430459140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 379, 510, 563, 758, 1020, 1126, 1137, 1516, 1689, 1895, 2252, 2274, 2815, 3378, 3790, 4548, 5630, 5685, 6443, 6756, 7580, 8445, 9571, 11260, 11370, 12886, 16890, 19142, 19329, 22740, 25772, 28713, 32215, 33780, 38284, 38658, 47855, 57426, 64430, 77316, 95710, 96645, 114852, 128860, 143565, 191420, 193290, 213377, 287130, 386580, 426754, 574260, 640131, 853508, 1066885, 1280262, 2133770, 2560524, 3200655, 3627409, 4267540, 6401310, 7254818, 10882227, 12802620, 14509636, 18137045, 21764454, 36274090, 43528908, 54411135, 72548180, 108822270, 217644540]

約数ペア:

[(1, 217644540), (2, 108822270), (3, 72548180), (4, 54411135), (5, 43528908), (6, 36274090), (10, 21764454), (12, 18137045), (15, 14509636), (17, 12802620), (20, 10882227), (30, 7254818), (34, 6401310), (51, 4267540), (60, 3627409), (68, 3200655), (85, 2560524), (102, 2133770), (170, 1280262), (204, 1066885), (255, 853508), (340, 640131), (379, 574260), (510, 426754), (563, 386580), (758, 287130), (1020, 213377), (1126, 193290), (1137, 191420), (1516, 143565), (1689, 128860), (1895, 114852), (2252, 96645), (2274, 95710), (2815, 77316), (3378, 64430), (3790, 57426), (4548, 47855), (5630, 38658), (5685, 38284), (6443, 33780), (6756, 32215), (7580, 28713), (8445, 25772), (9571, 22740), (11260, 19329), (11370, 19142), (12886, 16890)]