7971040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1$

素因数の和:680

約数の個数: 96

約数和(自身を含む): 23514624

約数和(自身を除く): 15543584

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 352, 385, 440, 560, 616, 647, 770, 880, 1120, 1232, 1294, 1540, 1760, 2464, 2588, 3080, 3235, 4529, 5176, 6160, 6470, 7117, 9058, 10352, 12320, 12940, 14234, 18116, 20704, 22645, 25880, 28468, 35585, 36232, 45290, 49819, 51760, 56936, 71170, 72464, 90580, 99638, 103520, 113872, 142340, 144928, 181160, 199276, 227744, 249095, 284680, 362320, 398552, 498190, 569360, 724640, 797104, 996380, 1138720, 1594208, 1992760, 3985520, 7971040]

約数ペア:

[(1, 7971040), (2, 3985520), (4, 1992760), (5, 1594208), (7, 1138720), (8, 996380), (10, 797104), (11, 724640), (14, 569360), (16, 498190), (20, 398552), (22, 362320), (28, 284680), (32, 249095), (35, 227744), (40, 199276), (44, 181160), (55, 144928), (56, 142340), (70, 113872), (77, 103520), (80, 99638), (88, 90580), (110, 72464), (112, 71170), (140, 56936), (154, 51760), (160, 49819), (176, 45290), (220, 36232), (224, 35585), (280, 28468), (308, 25880), (352, 22645), (385, 20704), (440, 18116), (560, 14234), (616, 12940), (647, 12320), (770, 10352), (880, 9058), (1120, 7117), (1232, 6470), (1294, 6160), (1540, 5176), (1760, 4529), (2464, 3235), (2588, 3080)]