313839540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{249079}}^1$

素因数の和:249101

約数の個数: 72

約数和(自身を含む): 1087981440

約数和(自身を除く): 774141900

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, 249079, 498158, 747237, 996316, 1245395, 1494474, 1743553, 2241711, 2490790, 2988948, 3487106, 3736185, 4483422, 4981580, 5230659, 6974212, 7472370, 8717765, 8966844, 10461318, 11208555, 14944740, 15691977, 17435530, 20922636, 22417110, 26153295, 31383954, 34871060, 44834220, 52306590, 62767908, 78459885, 104613180, 156919770, 313839540]

約数ペア:

[(1, 313839540), (2, 156919770), (3, 104613180), (4, 78459885), (5, 62767908), (6, 52306590), (7, 44834220), (9, 34871060), (10, 31383954), (12, 26153295), (14, 22417110), (15, 20922636), (18, 17435530), (20, 15691977), (21, 14944740), (28, 11208555), (30, 10461318), (35, 8966844), (36, 8717765), (42, 7472370), (45, 6974212), (60, 5230659), (63, 4981580), (70, 4483422), (84, 3736185), (90, 3487106), (105, 2988948), (126, 2490790), (140, 2241711), (180, 1743553), (210, 1494474), (252, 1245395), (315, 996316), (420, 747237), (630, 498158), (1260, 249079)]