31278255540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{207443}}^1$

素因数の和:207821

約数の個数: 96

約数和(自身を含む): 100369704960

約数和(自身を除く): 69091449420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 359, 420, 718, 1077, 1436, 1795, 2154, 2513, 3590, 4308, 5026, 5385, 7180, 7539, 10052, 10770, 12565, 15078, 21540, 25130, 30156, 37695, 50260, 75390, 150780, 207443, 414886, 622329, 829772, 1037215, 1244658, 1452101, 2074430, 2489316, 2904202, 3111645, 4148860, 4356303, 5808404, 6223290, 7260505, 8712606, 12446580, 14521010, 17425212, 21781515, 29042020, 43563030, 74472037, 87126060, 148944074, 223416111, 297888148, 372360185, 446832222, 521304259, 744720370, 893664444, 1042608518, 1117080555, 1489440740, 1563912777, 2085217036, 2234161110, 2606521295, 3127825554, 4468322220, 5213042590, 6255651108, 7819563885, 10426085180, 15639127770, 31278255540]

約数ペア:

[(1, 31278255540), (2, 15639127770), (3, 10426085180), (4, 7819563885), (5, 6255651108), (6, 5213042590), (7, 4468322220), (10, 3127825554), (12, 2606521295), (14, 2234161110), (15, 2085217036), (20, 1563912777), (21, 1489440740), (28, 1117080555), (30, 1042608518), (35, 893664444), (42, 744720370), (60, 521304259), (70, 446832222), (84, 372360185), (105, 297888148), (140, 223416111), (210, 148944074), (359, 87126060), (420, 74472037), (718, 43563030), (1077, 29042020), (1436, 21781515), (1795, 17425212), (2154, 14521010), (2513, 12446580), (3590, 8712606), (4308, 7260505), (5026, 6223290), (5385, 5808404), (7180, 4356303), (7539, 4148860), (10052, 3111645), (10770, 2904202), (12565, 2489316), (15078, 2074430), (21540, 1452101), (25130, 1244658), (30156, 1037215), (37695, 829772), (50260, 622329), (75390, 414886), (150780, 207443)]