257130255480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{306107447}}^1$

素因数の和:306107468

約数の個数: 64

約数和(自身を含む): 881589450240

約数和(自身を除く): 624459194760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 306107447, 612214894, 918322341, 1224429788, 1530537235, 1836644682, 2142752129, 2448859576, 3061074470, 3673289364, 4285504258, 4591611705, 6122148940, 6428256387, 7346578728, 8571008516, 9183223410, 10713760645, 12244297880, 12856512774, 17142017032, 18366446820, 21427521290, 25713025548, 32141281935, 36732893640, 42855042580, 51426051096, 64282563870, 85710085160, 128565127740, 257130255480]

約数ペア:

[(1, 257130255480), (2, 128565127740), (3, 85710085160), (4, 64282563870), (5, 51426051096), (6, 42855042580), (7, 36732893640), (8, 32141281935), (10, 25713025548), (12, 21427521290), (14, 18366446820), (15, 17142017032), (20, 12856512774), (21, 12244297880), (24, 10713760645), (28, 9183223410), (30, 8571008516), (35, 7346578728), (40, 6428256387), (42, 6122148940), (56, 4591611705), (60, 4285504258), (70, 3673289364), (84, 3061074470), (105, 2448859576), (120, 2142752129), (140, 1836644682), (168, 1530537235), (210, 1224429788), (280, 918322341), (420, 612214894), (840, 306107447)]