420660780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{88747}}^1$

素因数の和:88838

約数の個数: 48

約数和(自身を含む): 1192773120

約数和(自身を除く): 772112340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4740, 88747, 177494, 266241, 354988, 443735, 532482, 887470, 1064964, 1331205, 1774940, 2662410, 5324820, 7011013, 14022026, 21033039, 28044052, 35055065, 42066078, 70110130, 84132156, 105165195, 140220260, 210330390, 420660780]

約数ペア:

[(1, 420660780), (2, 210330390), (3, 140220260), (4, 105165195), (5, 84132156), (6, 70110130), (10, 42066078), (12, 35055065), (15, 28044052), (20, 21033039), (30, 14022026), (60, 7011013), (79, 5324820), (158, 2662410), (237, 1774940), (316, 1331205), (395, 1064964), (474, 887470), (790, 532482), (948, 443735), (1185, 354988), (1580, 266241), (2370, 177494), (4740, 88747)]