84120780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{17747}}^1$

素因数の和:17838

約数の個数: 48

約数和(自身を含む): 238533120

約数和(自身を除く): 154412340

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, 17747, 35494, 53241, 70988, 88735, 106482, 177470, 212964, 266205, 354940, 532410, 1064820, 1402013, 2804026, 4206039, 5608052, 7010065, 8412078, 14020130, 16824156, 21030195, 28040260, 42060390, 84120780]

約数ペア:

[(1, 84120780), (2, 42060390), (3, 28040260), (4, 21030195), (5, 16824156), (6, 14020130), (10, 8412078), (12, 7010065), (15, 5608052), (20, 4206039), (30, 2804026), (60, 1402013), (79, 1064820), (158, 532410), (237, 354940), (316, 266205), (395, 212964), (474, 177470), (790, 106482), (948, 88735), (1185, 70988), (1580, 53241), (2370, 35494), (4740, 17747)]