28564740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4289}}^1$

素因数の和:4341

約数の個数: 72

約数和(自身を含む): 89008920

約数和(自身を除く): 60444180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 4289, 6660, 8578, 12867, 17156, 21445, 25734, 38601, 42890, 51468, 64335, 77202, 85780, 128670, 154404, 158693, 193005, 257340, 317386, 386010, 476079, 634772, 772020, 793465, 952158, 1428237, 1586930, 1904316, 2380395, 2856474, 3173860, 4760790, 5712948, 7141185, 9521580, 14282370, 28564740]

約数ペア:

[(1, 28564740), (2, 14282370), (3, 9521580), (4, 7141185), (5, 5712948), (6, 4760790), (9, 3173860), (10, 2856474), (12, 2380395), (15, 1904316), (18, 1586930), (20, 1428237), (30, 952158), (36, 793465), (37, 772020), (45, 634772), (60, 476079), (74, 386010), (90, 317386), (111, 257340), (148, 193005), (180, 158693), (185, 154404), (222, 128670), (333, 85780), (370, 77202), (444, 64335), (555, 51468), (666, 42890), (740, 38601), (1110, 25734), (1332, 21445), (1665, 17156), (2220, 12867), (3330, 8578), (4289, 6660)]