28716570

素因数分解:

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

素因数の和:304

約数の個数: 72

約数和(自身を含む): 79636284

約数和(自身を除く): 50919714

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 137, 153, 170, 255, 274, 306, 411, 510, 685, 765, 822, 1233, 1370, 1530, 2055, 2329, 2466, 4110, 4658, 6165, 6987, 11645, 12330, 13974, 18769, 20961, 23290, 34935, 37538, 41922, 56307, 69870, 93845, 104805, 112614, 168921, 187690, 209610, 281535, 319073, 337842, 563070, 638146, 844605, 957219, 1595365, 1689210, 1914438, 2871657, 3190730, 4786095, 5743314, 9572190, 14358285, 28716570]

約数ペア:

[(1, 28716570), (2, 14358285), (3, 9572190), (5, 5743314), (6, 4786095), (9, 3190730), (10, 2871657), (15, 1914438), (17, 1689210), (18, 1595365), (30, 957219), (34, 844605), (45, 638146), (51, 563070), (85, 337842), (90, 319073), (102, 281535), (137, 209610), (153, 187690), (170, 168921), (255, 112614), (274, 104805), (306, 93845), (411, 69870), (510, 56307), (685, 41922), (765, 37538), (822, 34935), (1233, 23290), (1370, 20961), (1530, 18769), (2055, 13974), (2329, 12330), (2466, 11645), (4110, 6987), (4658, 6165)]