287255280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4003}}^1$

素因数の和:4055

約数の個数: 160

約数和(自身を含む): 1000935936

約数和(自身を除く): 713680656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 23, 24, 26, 30, 39, 40, 46, 48, 52, 60, 65, 69, 78, 80, 92, 104, 115, 120, 130, 138, 156, 184, 195, 208, 230, 240, 260, 276, 299, 312, 345, 368, 390, 460, 520, 552, 598, 624, 690, 780, 897, 920, 1040, 1104, 1196, 1380, 1495, 1560, 1794, 1840, 2392, 2760, 2990, 3120, 3588, 4003, 4485, 4784, 5520, 5980, 7176, 8006, 8970, 11960, 12009, 14352, 16012, 17940, 20015, 23920, 24018, 32024, 35880, 40030, 48036, 52039, 60045, 64048, 71760, 80060, 92069, 96072, 104078, 120090, 156117, 160120, 184138, 192144, 208156, 240180, 260195, 276207, 312234, 320240, 368276, 416312, 460345, 480360, 520390, 552414, 624468, 736552, 780585, 832624, 920690, 960720, 1040780, 1104828, 1196897, 1248936, 1381035, 1473104, 1561170, 1841380, 2081560, 2209656, 2393794, 2497872, 2762070, 3122340, 3590691, 3682760, 4163120, 4419312, 4787588, 5524140, 5984485, 6244680, 7181382, 7365520, 9575176, 11048280, 11968970, 12489360, 14362764, 17953455, 19150352, 22096560, 23937940, 28725528, 35906910, 47875880, 57451056, 71813820, 95751760, 143627640, 287255280]

約数ペア:

[(1, 287255280), (2, 143627640), (3, 95751760), (4, 71813820), (5, 57451056), (6, 47875880), (8, 35906910), (10, 28725528), (12, 23937940), (13, 22096560), (15, 19150352), (16, 17953455), (20, 14362764), (23, 12489360), (24, 11968970), (26, 11048280), (30, 9575176), (39, 7365520), (40, 7181382), (46, 6244680), (48, 5984485), (52, 5524140), (60, 4787588), (65, 4419312), (69, 4163120), (78, 3682760), (80, 3590691), (92, 3122340), (104, 2762070), (115, 2497872), (120, 2393794), (130, 2209656), (138, 2081560), (156, 1841380), (184, 1561170), (195, 1473104), (208, 1381035), (230, 1248936), (240, 1196897), (260, 1104828), (276, 1040780), (299, 960720), (312, 920690), (345, 832624), (368, 780585), (390, 736552), (460, 624468), (520, 552414), (552, 520390), (598, 480360), (624, 460345), (690, 416312), (780, 368276), (897, 320240), (920, 312234), (1040, 276207), (1104, 260195), (1196, 240180), (1380, 208156), (1495, 192144), (1560, 184138), (1794, 160120), (1840, 156117), (2392, 120090), (2760, 104078), (2990, 96072), (3120, 92069), (3588, 80060), (4003, 71760), (4485, 64048), (4784, 60045), (5520, 52039), (5980, 48036), (7176, 40030), (8006, 35880), (8970, 32024), (11960, 24018), (12009, 23920), (14352, 20015), (16012, 17940)]