81000960

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:278

約数の個数: 160

約数和(自身を含む): 265161600

約数和(自身を除く): 184160640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 53, 60, 64, 80, 96, 106, 120, 128, 159, 160, 192, 199, 212, 240, 256, 265, 318, 320, 384, 398, 424, 480, 512, 530, 597, 636, 640, 768, 795, 796, 848, 960, 995, 1060, 1194, 1272, 1280, 1536, 1590, 1592, 1696, 1920, 1990, 2120, 2388, 2544, 2560, 2985, 3180, 3184, 3392, 3840, 3980, 4240, 4776, 5088, 5970, 6360, 6368, 6784, 7680, 7960, 8480, 9552, 10176, 10547, 11940, 12720, 12736, 13568, 15920, 16960, 19104, 20352, 21094, 23880, 25440, 25472, 27136, 31641, 31840, 33920, 38208, 40704, 42188, 47760, 50880, 50944, 52735, 63282, 63680, 67840, 76416, 81408, 84376, 95520, 101760, 101888, 105470, 126564, 127360, 135680, 152832, 158205, 168752, 191040, 203520, 210940, 253128, 254720, 305664, 316410, 337504, 382080, 407040, 421880, 506256, 509440, 632820, 675008, 764160, 843760, 1012512, 1265640, 1350016, 1528320, 1687520, 2025024, 2531280, 2700032, 3375040, 4050048, 5062560, 5400064, 6750080, 8100096, 10125120, 13500160, 16200192, 20250240, 27000320, 40500480, 81000960]

約数ペア:

[(1, 81000960), (2, 40500480), (3, 27000320), (4, 20250240), (5, 16200192), (6, 13500160), (8, 10125120), (10, 8100096), (12, 6750080), (15, 5400064), (16, 5062560), (20, 4050048), (24, 3375040), (30, 2700032), (32, 2531280), (40, 2025024), (48, 1687520), (53, 1528320), (60, 1350016), (64, 1265640), (80, 1012512), (96, 843760), (106, 764160), (120, 675008), (128, 632820), (159, 509440), (160, 506256), (192, 421880), (199, 407040), (212, 382080), (240, 337504), (256, 316410), (265, 305664), (318, 254720), (320, 253128), (384, 210940), (398, 203520), (424, 191040), (480, 168752), (512, 158205), (530, 152832), (597, 135680), (636, 127360), (640, 126564), (768, 105470), (795, 101888), (796, 101760), (848, 95520), (960, 84376), (995, 81408), (1060, 76416), (1194, 67840), (1272, 63680), (1280, 63282), (1536, 52735), (1590, 50944), (1592, 50880), (1696, 47760), (1920, 42188), (1990, 40704), (2120, 38208), (2388, 33920), (2544, 31840), (2560, 31641), (2985, 27136), (3180, 25472), (3184, 25440), (3392, 23880), (3840, 21094), (3980, 20352), (4240, 19104), (4776, 16960), (5088, 15920), (5970, 13568), (6360, 12736), (6368, 12720), (6784, 11940), (7680, 10547), (7960, 10176), (8480, 9552)]