257412540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{55717}}^1$

素因数の和:55747

約数の個数: 96

約数和(自身を含む): 898619904

約数和(自身を除く): 641207364

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, 55717, 111434, 167151, 222868, 278585, 334302, 390019, 557170, 612887, 668604, 780038, 835755, 1114340, 1170057, 1225774, 1560076, 1671510, 1838661, 1950095, 2340114, 2451548, 3064435, 3343020, 3677322, 3900190, 4290209, 4680228, 5850285, 6128870, 7354644, 7800380, 8580418, 9193305, 11700570, 12257740, 12870627, 17160836, 18386610, 21451045, 23401140, 25741254, 36773220, 42902090, 51482508, 64353135, 85804180, 128706270, 257412540]

約数ペア:

[(1, 257412540), (2, 128706270), (3, 85804180), (4, 64353135), (5, 51482508), (6, 42902090), (7, 36773220), (10, 25741254), (11, 23401140), (12, 21451045), (14, 18386610), (15, 17160836), (20, 12870627), (21, 12257740), (22, 11700570), (28, 9193305), (30, 8580418), (33, 7800380), (35, 7354644), (42, 6128870), (44, 5850285), (55, 4680228), (60, 4290209), (66, 3900190), (70, 3677322), (77, 3343020), (84, 3064435), (105, 2451548), (110, 2340114), (132, 1950095), (140, 1838661), (154, 1671510), (165, 1560076), (210, 1225774), (220, 1170057), (231, 1114340), (308, 835755), (330, 780038), (385, 668604), (420, 612887), (462, 557170), (660, 390019), (770, 334302), (924, 278585), (1155, 222868), (1540, 167151), (2310, 111434), (4620, 55717)]