28884420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4337}}^1$

素因数の和:4389

約数の個数: 72

約数和(自身を含む): 90004824

約数和(自身を除く): 61120404

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, 4337, 6660, 8674, 13011, 17348, 21685, 26022, 39033, 43370, 52044, 65055, 78066, 86740, 130110, 156132, 160469, 195165, 260220, 320938, 390330, 481407, 641876, 780660, 802345, 962814, 1444221, 1604690, 1925628, 2407035, 2888442, 3209380, 4814070, 5776884, 7221105, 9628140, 14442210, 28884420]

約数ペア:

[(1, 28884420), (2, 14442210), (3, 9628140), (4, 7221105), (5, 5776884), (6, 4814070), (9, 3209380), (10, 2888442), (12, 2407035), (15, 1925628), (18, 1604690), (20, 1444221), (30, 962814), (36, 802345), (37, 780660), (45, 641876), (60, 481407), (74, 390330), (90, 320938), (111, 260220), (148, 195165), (180, 160469), (185, 156132), (222, 130110), (333, 86740), (370, 78066), (444, 65055), (555, 52044), (666, 43370), (740, 39033), (1110, 26022), (1332, 21685), (1665, 17348), (2220, 13011), (3330, 8674), (4337, 6660)]