264506320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{607}}^1$

素因数の和:1052

約数の個数: 80

約数和(自身を含む): 664957440

約数和(自身を除く): 400451120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 419, 520, 607, 838, 1040, 1214, 1676, 2095, 2428, 3035, 3352, 4190, 4856, 5447, 6070, 6704, 7891, 8380, 9712, 10894, 12140, 15782, 16760, 21788, 24280, 27235, 31564, 33520, 39455, 43576, 48560, 54470, 63128, 78910, 87152, 108940, 126256, 157820, 217880, 254333, 315640, 435760, 508666, 631280, 1017332, 1271665, 2034664, 2543330, 3306329, 4069328, 5086660, 6612658, 10173320, 13225316, 16531645, 20346640, 26450632, 33063290, 52901264, 66126580, 132253160, 264506320]

約数ペア:

[(1, 264506320), (2, 132253160), (4, 66126580), (5, 52901264), (8, 33063290), (10, 26450632), (13, 20346640), (16, 16531645), (20, 13225316), (26, 10173320), (40, 6612658), (52, 5086660), (65, 4069328), (80, 3306329), (104, 2543330), (130, 2034664), (208, 1271665), (260, 1017332), (419, 631280), (520, 508666), (607, 435760), (838, 315640), (1040, 254333), (1214, 217880), (1676, 157820), (2095, 126256), (2428, 108940), (3035, 87152), (3352, 78910), (4190, 63128), (4856, 54470), (5447, 48560), (6070, 43576), (6704, 39455), (7891, 33520), (8380, 31564), (9712, 27235), (10894, 24280), (12140, 21788), (15782, 16760)]