1985722740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{13807}}^1$

素因数の和:13886

約数の個数: 144

約数和(自身を含む): 6513841152

約数和(自身を除く): 4528118412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 47, 51, 60, 68, 85, 90, 94, 102, 141, 153, 170, 180, 188, 204, 235, 255, 282, 306, 340, 423, 470, 510, 564, 612, 705, 765, 799, 846, 940, 1020, 1410, 1530, 1598, 1692, 2115, 2397, 2820, 3060, 3196, 3995, 4230, 4794, 7191, 7990, 8460, 9588, 11985, 13807, 14382, 15980, 23970, 27614, 28764, 35955, 41421, 47940, 55228, 69035, 71910, 82842, 124263, 138070, 143820, 165684, 207105, 234719, 248526, 276140, 414210, 469438, 497052, 621315, 648929, 704157, 828420, 938876, 1173595, 1242630, 1297858, 1408314, 1946787, 2112471, 2347190, 2485260, 2595716, 2816628, 3244645, 3520785, 3893574, 4224942, 4694380, 5840361, 6489290, 7041570, 7787148, 8449884, 9733935, 10562355, 11031793, 11680722, 12978580, 14083140, 19467870, 21124710, 22063586, 23361444, 29201805, 33095379, 38935740, 42249420, 44127172, 55158965, 58403610, 66190758, 99286137, 110317930, 116807220, 132381516, 165476895, 198572274, 220635860, 330953790, 397144548, 496430685, 661907580, 992861370, 1985722740]

約数ペア:

[(1, 1985722740), (2, 992861370), (3, 661907580), (4, 496430685), (5, 397144548), (6, 330953790), (9, 220635860), (10, 198572274), (12, 165476895), (15, 132381516), (17, 116807220), (18, 110317930), (20, 99286137), (30, 66190758), (34, 58403610), (36, 55158965), (45, 44127172), (47, 42249420), (51, 38935740), (60, 33095379), (68, 29201805), (85, 23361444), (90, 22063586), (94, 21124710), (102, 19467870), (141, 14083140), (153, 12978580), (170, 11680722), (180, 11031793), (188, 10562355), (204, 9733935), (235, 8449884), (255, 7787148), (282, 7041570), (306, 6489290), (340, 5840361), (423, 4694380), (470, 4224942), (510, 3893574), (564, 3520785), (612, 3244645), (705, 2816628), (765, 2595716), (799, 2485260), (846, 2347190), (940, 2112471), (1020, 1946787), (1410, 1408314), (1530, 1297858), (1598, 1242630), (1692, 1173595), (2115, 938876), (2397, 828420), (2820, 704157), (3060, 648929), (3196, 621315), (3995, 497052), (4230, 469438), (4794, 414210), (7191, 276140), (7990, 248526), (8460, 234719), (9588, 207105), (11985, 165684), (13807, 143820), (14382, 138070), (15980, 124263), (23970, 82842), (27614, 71910), (28764, 69035), (35955, 55228), (41421, 47940)]