620750340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{492659}}^1$

素因数の和:492681

約数の個数: 72

約数和(自身を含む): 2151938880

約数和(自身を除く): 1531188540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 492659, 985318, 1477977, 1970636, 2463295, 2955954, 3448613, 4433931, 4926590, 5911908, 6897226, 7389885, 8867862, 9853180, 10345839, 13794452, 14779770, 17243065, 17735724, 20691678, 22169655, 29559540, 31037517, 34486130, 41383356, 44339310, 51729195, 62075034, 68972260, 88678620, 103458390, 124150068, 155187585, 206916780, 310375170, 620750340]

約数ペア:

[(1, 620750340), (2, 310375170), (3, 206916780), (4, 155187585), (5, 124150068), (6, 103458390), (7, 88678620), (9, 68972260), (10, 62075034), (12, 51729195), (14, 44339310), (15, 41383356), (18, 34486130), (20, 31037517), (21, 29559540), (28, 22169655), (30, 20691678), (35, 17735724), (36, 17243065), (42, 14779770), (45, 13794452), (60, 10345839), (63, 9853180), (70, 8867862), (84, 7389885), (90, 6897226), (105, 5911908), (126, 4926590), (140, 4433931), (180, 3448613), (210, 2955954), (252, 2463295), (315, 1970636), (420, 1477977), (630, 985318), (1260, 492659)]