218615580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71443}}^1$

素因数の和:71475

約数の個数: 72

約数和(自身を含む): 702151632

約数和(自身を除く): 483536052

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 71443, 142886, 214329, 285772, 357215, 428658, 642987, 714430, 857316, 1071645, 1214531, 1285974, 1428860, 2143290, 2429062, 2571948, 3214935, 3643593, 4286580, 4858124, 6072655, 6429870, 7287186, 10930779, 12145310, 12859740, 14574372, 18217965, 21861558, 24290620, 36435930, 43723116, 54653895, 72871860, 109307790, 218615580]

約数ペア:

[(1, 218615580), (2, 109307790), (3, 72871860), (4, 54653895), (5, 43723116), (6, 36435930), (9, 24290620), (10, 21861558), (12, 18217965), (15, 14574372), (17, 12859740), (18, 12145310), (20, 10930779), (30, 7287186), (34, 6429870), (36, 6072655), (45, 4858124), (51, 4286580), (60, 3643593), (68, 3214935), (85, 2571948), (90, 2429062), (102, 2143290), (153, 1428860), (170, 1285974), (180, 1214531), (204, 1071645), (255, 857316), (306, 714430), (340, 642987), (510, 428658), (612, 357215), (765, 285772), (1020, 214329), (1530, 142886), (3060, 71443)]