651080880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{907}}^1\times {\mathrm{997}}^1$

素因数の和:1923

約数の個数: 120

約数和(自身を含む): 2191152912

約数和(自身を除く): 1540072032

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 907, 997, 1814, 1994, 2721, 2991, 3628, 3988, 4535, 4985, 5442, 5982, 7256, 7976, 8163, 8973, 9070, 9970, 10884, 11964, 13605, 14512, 14955, 15952, 16326, 17946, 18140, 19940, 21768, 23928, 27210, 29910, 32652, 35892, 36280, 39880, 40815, 43536, 44865, 47856, 54420, 59820, 65304, 71784, 72560, 79760, 81630, 89730, 108840, 119640, 130608, 143568, 163260, 179460, 217680, 239280, 326520, 358920, 653040, 717840, 904279, 1808558, 2712837, 3617116, 4521395, 5425674, 7234232, 8138511, 9042790, 10851348, 13564185, 14468464, 16277022, 18085580, 21702696, 27128370, 32554044, 36171160, 40692555, 43405392, 54256740, 65108088, 72342320, 81385110, 108513480, 130216176, 162770220, 217026960, 325540440, 651080880]

約数ペア:

[(1, 651080880), (2, 325540440), (3, 217026960), (4, 162770220), (5, 130216176), (6, 108513480), (8, 81385110), (9, 72342320), (10, 65108088), (12, 54256740), (15, 43405392), (16, 40692555), (18, 36171160), (20, 32554044), (24, 27128370), (30, 21702696), (36, 18085580), (40, 16277022), (45, 14468464), (48, 13564185), (60, 10851348), (72, 9042790), (80, 8138511), (90, 7234232), (120, 5425674), (144, 4521395), (180, 3617116), (240, 2712837), (360, 1808558), (720, 904279), (907, 717840), (997, 653040), (1814, 358920), (1994, 326520), (2721, 239280), (2991, 217680), (3628, 179460), (3988, 163260), (4535, 143568), (4985, 130608), (5442, 119640), (5982, 108840), (7256, 89730), (7976, 81630), (8163, 79760), (8973, 72560), (9070, 71784), (9970, 65304), (10884, 59820), (11964, 54420), (13605, 47856), (14512, 44865), (14955, 43536), (15952, 40815), (16326, 39880), (17946, 36280), (18140, 35892), (19940, 32652), (21768, 29910), (23928, 27210)]