81254400

素因数分解:

$2^{11}\times 3^1\times 5^2\times {\mathrm{23}}^2$

素因数の和:81

約数の個数: 216

約数和(自身を含む): 280802340

約数和(自身を除く): 199547940

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 25, 30, 32, 40, 46, 48, 50, 60, 64, 69, 75, 80, 92, 96, 100, 115, 120, 128, 138, 150, 160, 184, 192, 200, 230, 240, 256, 276, 300, 320, 345, 368, 384, 400, 460, 480, 512, 529, 552, 575, 600, 640, 690, 736, 768, 800, 920, 960, 1024, 1058, 1104, 1150, 1200, 1280, 1380, 1472, 1536, 1587, 1600, 1725, 1840, 1920, 2048, 2116, 2208, 2300, 2400, 2560, 2645, 2760, 2944, 3072, 3174, 3200, 3450, 3680, 3840, 4232, 4416, 4600, 4800, 5120, 5290, 5520, 5888, 6144, 6348, 6400, 6900, 7360, 7680, 7935, 8464, 8832, 9200, 9600, 10240, 10580, 11040, 11776, 12696, 12800, 13225, 13800, 14720, 15360, 15870, 16928, 17664, 18400, 19200, 21160, 22080, 23552, 25392, 25600, 26450, 27600, 29440, 30720, 31740, 33856, 35328, 36800, 38400, 39675, 42320, 44160, 47104, 50784, 51200, 52900, 55200, 58880, 63480, 67712, 70656, 73600, 76800, 79350, 84640, 88320, 101568, 105800, 110400, 117760, 126960, 135424, 141312, 147200, 153600, 158700, 169280, 176640, 203136, 211600, 220800, 235520, 253920, 270848, 294400, 317400, 338560, 353280, 406272, 423200, 441600, 507840, 541696, 588800, 634800, 677120, 706560, 812544, 846400, 883200, 1015680, 1083392, 1177600, 1269600, 1354240, 1625088, 1692800, 1766400, 2031360, 2539200, 2708480, 3250176, 3385600, 3532800, 4062720, 5078400, 5416960, 6771200, 8125440, 10156800, 13542400, 16250880, 20313600, 27084800, 40627200, 81254400]

約数ペア:

[(1, 81254400), (2, 40627200), (3, 27084800), (4, 20313600), (5, 16250880), (6, 13542400), (8, 10156800), (10, 8125440), (12, 6771200), (15, 5416960), (16, 5078400), (20, 4062720), (23, 3532800), (24, 3385600), (25, 3250176), (30, 2708480), (32, 2539200), (40, 2031360), (46, 1766400), (48, 1692800), (50, 1625088), (60, 1354240), (64, 1269600), (69, 1177600), (75, 1083392), (80, 1015680), (92, 883200), (96, 846400), (100, 812544), (115, 706560), (120, 677120), (128, 634800), (138, 588800), (150, 541696), (160, 507840), (184, 441600), (192, 423200), (200, 406272), (230, 353280), (240, 338560), (256, 317400), (276, 294400), (300, 270848), (320, 253920), (345, 235520), (368, 220800), (384, 211600), (400, 203136), (460, 176640), (480, 169280), (512, 158700), (529, 153600), (552, 147200), (575, 141312), (600, 135424), (640, 126960), (690, 117760), (736, 110400), (768, 105800), (800, 101568), (920, 88320), (960, 84640), (1024, 79350), (1058, 76800), (1104, 73600), (1150, 70656), (1200, 67712), (1280, 63480), (1380, 58880), (1472, 55200), (1536, 52900), (1587, 51200), (1600, 50784), (1725, 47104), (1840, 44160), (1920, 42320), (2048, 39675), (2116, 38400), (2208, 36800), (2300, 35328), (2400, 33856), (2560, 31740), (2645, 30720), (2760, 29440), (2944, 27600), (3072, 26450), (3174, 25600), (3200, 25392), (3450, 23552), (3680, 22080), (3840, 21160), (4232, 19200), (4416, 18400), (4600, 17664), (4800, 16928), (5120, 15870), (5290, 15360), (5520, 14720), (5888, 13800), (6144, 13225), (6348, 12800), (6400, 12696), (6900, 11776), (7360, 11040), (7680, 10580), (7935, 10240), (8464, 9600), (8832, 9200)]