256944660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{3203}}^1$

素因数の和:3413

約数の個数: 96

約数和(自身を含む): 826785792

約数和(自身を除く): 569841132

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, 191, 210, 382, 420, 573, 764, 955, 1146, 1337, 1910, 2292, 2674, 2865, 3203, 3820, 4011, 5348, 5730, 6406, 6685, 8022, 9609, 11460, 12812, 13370, 16015, 16044, 19218, 20055, 22421, 26740, 32030, 38436, 40110, 44842, 48045, 64060, 67263, 80220, 89684, 96090, 112105, 134526, 192180, 224210, 269052, 336315, 448420, 611773, 672630, 1223546, 1345260, 1835319, 2447092, 3058865, 3670638, 4282411, 6117730, 7341276, 8564822, 9176595, 12235460, 12847233, 17129644, 18353190, 21412055, 25694466, 36706380, 42824110, 51388932, 64236165, 85648220, 128472330, 256944660]

約数ペア:

[(1, 256944660), (2, 128472330), (3, 85648220), (4, 64236165), (5, 51388932), (6, 42824110), (7, 36706380), (10, 25694466), (12, 21412055), (14, 18353190), (15, 17129644), (20, 12847233), (21, 12235460), (28, 9176595), (30, 8564822), (35, 7341276), (42, 6117730), (60, 4282411), (70, 3670638), (84, 3058865), (105, 2447092), (140, 1835319), (191, 1345260), (210, 1223546), (382, 672630), (420, 611773), (573, 448420), (764, 336315), (955, 269052), (1146, 224210), (1337, 192180), (1910, 134526), (2292, 112105), (2674, 96090), (2865, 89684), (3203, 80220), (3820, 67263), (4011, 64060), (5348, 48045), (5730, 44842), (6406, 40110), (6685, 38436), (8022, 32030), (9609, 26740), (11460, 22421), (12812, 20055), (13370, 19218), (16015, 16044)]