256877280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16217}}^1$

素因数の和:16249

約数の個数: 144

約数和(自身を含む): 956343024

約数和(自身を除く): 699465744

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 198, 220, 240, 264, 288, 330, 352, 360, 396, 440, 480, 495, 528, 660, 720, 792, 880, 990, 1056, 1320, 1440, 1584, 1760, 1980, 2640, 3168, 3960, 5280, 7920, 15840, 16217, 32434, 48651, 64868, 81085, 97302, 129736, 145953, 162170, 178387, 194604, 243255, 259472, 291906, 324340, 356774, 389208, 486510, 518944, 535161, 583812, 648680, 713548, 729765, 778416, 891935, 973020, 1070322, 1167624, 1297360, 1427096, 1459530, 1556832, 1605483, 1783870, 1946040, 2140644, 2335248, 2594720, 2675805, 2854192, 2919060, 3210966, 3567740, 3892080, 4281288, 4670496, 5351610, 5708384, 5838120, 6421932, 7135480, 7784160, 8027415, 8562576, 10703220, 11676240, 12843864, 14270960, 16054830, 17125152, 21406440, 23352480, 25687728, 28541920, 32109660, 42812880, 51375456, 64219320, 85625760, 128438640, 256877280]

約数ペア:

[(1, 256877280), (2, 128438640), (3, 85625760), (4, 64219320), (5, 51375456), (6, 42812880), (8, 32109660), (9, 28541920), (10, 25687728), (11, 23352480), (12, 21406440), (15, 17125152), (16, 16054830), (18, 14270960), (20, 12843864), (22, 11676240), (24, 10703220), (30, 8562576), (32, 8027415), (33, 7784160), (36, 7135480), (40, 6421932), (44, 5838120), (45, 5708384), (48, 5351610), (55, 4670496), (60, 4281288), (66, 3892080), (72, 3567740), (80, 3210966), (88, 2919060), (90, 2854192), (96, 2675805), (99, 2594720), (110, 2335248), (120, 2140644), (132, 1946040), (144, 1783870), (160, 1605483), (165, 1556832), (176, 1459530), (180, 1427096), (198, 1297360), (220, 1167624), (240, 1070322), (264, 973020), (288, 891935), (330, 778416), (352, 729765), (360, 713548), (396, 648680), (440, 583812), (480, 535161), (495, 518944), (528, 486510), (660, 389208), (720, 356774), (792, 324340), (880, 291906), (990, 259472), (1056, 243255), (1320, 194604), (1440, 178387), (1584, 162170), (1760, 145953), (1980, 129736), (2640, 97302), (3168, 81085), (3960, 64868), (5280, 48651), (7920, 32434), (15840, 16217)]