256913580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{55609}}^1$

素因数の和:55639

約数の個数: 96

約数和(自身を含む): 896878080

約数和(自身を除く): 639964500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 132, 140, 154, 165, 210, 220, 231, 308, 330, 385, 420, 462, 660, 770, 924, 1155, 1540, 2310, 4620, 55609, 111218, 166827, 222436, 278045, 333654, 389263, 556090, 611699, 667308, 778526, 834135, 1112180, 1167789, 1223398, 1557052, 1668270, 1835097, 1946315, 2335578, 2446796, 3058495, 3336540, 3670194, 3892630, 4281893, 4671156, 5838945, 6116990, 7340388, 7785260, 8563786, 9175485, 11677890, 12233980, 12845679, 17127572, 18350970, 21409465, 23355780, 25691358, 36701940, 42818930, 51382716, 64228395, 85637860, 128456790, 256913580]

約数ペア:

[(1, 256913580), (2, 128456790), (3, 85637860), (4, 64228395), (5, 51382716), (6, 42818930), (7, 36701940), (10, 25691358), (11, 23355780), (12, 21409465), (14, 18350970), (15, 17127572), (20, 12845679), (21, 12233980), (22, 11677890), (28, 9175485), (30, 8563786), (33, 7785260), (35, 7340388), (42, 6116990), (44, 5838945), (55, 4671156), (60, 4281893), (66, 3892630), (70, 3670194), (77, 3336540), (84, 3058495), (105, 2446796), (110, 2335578), (132, 1946315), (140, 1835097), (154, 1668270), (165, 1557052), (210, 1223398), (220, 1167789), (231, 1112180), (308, 834135), (330, 778526), (385, 667308), (420, 611699), (462, 556090), (660, 389263), (770, 333654), (924, 278045), (1155, 222436), (1540, 166827), (2310, 111218), (4620, 55609)]