391296640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4597}}^1$

素因数の和:4642

約数の個数: 128

約数和(自身を含む): 1125590400

約数和(自身を除く): 734293760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 266, 280, 304, 320, 380, 448, 532, 560, 608, 640, 665, 760, 896, 1064, 1120, 1216, 1330, 1520, 2128, 2240, 2432, 2660, 3040, 4256, 4480, 4597, 5320, 6080, 8512, 9194, 10640, 12160, 17024, 18388, 21280, 22985, 32179, 36776, 42560, 45970, 64358, 73552, 85120, 87343, 91940, 128716, 147104, 160895, 174686, 183880, 257432, 294208, 321790, 349372, 367760, 436715, 514864, 588416, 611401, 643580, 698744, 735520, 873430, 1029728, 1222802, 1287160, 1397488, 1471040, 1746860, 2059456, 2445604, 2574320, 2794976, 2942080, 3057005, 3493720, 4118912, 4891208, 5148640, 5589952, 6114010, 6987440, 9782416, 10297280, 11179904, 12228020, 13974880, 19564832, 20594560, 24456040, 27949760, 39129664, 48912080, 55899520, 78259328, 97824160, 195648320, 391296640]

約数ペア:

[(1, 391296640), (2, 195648320), (4, 97824160), (5, 78259328), (7, 55899520), (8, 48912080), (10, 39129664), (14, 27949760), (16, 24456040), (19, 20594560), (20, 19564832), (28, 13974880), (32, 12228020), (35, 11179904), (38, 10297280), (40, 9782416), (56, 6987440), (64, 6114010), (70, 5589952), (76, 5148640), (80, 4891208), (95, 4118912), (112, 3493720), (128, 3057005), (133, 2942080), (140, 2794976), (152, 2574320), (160, 2445604), (190, 2059456), (224, 1746860), (266, 1471040), (280, 1397488), (304, 1287160), (320, 1222802), (380, 1029728), (448, 873430), (532, 735520), (560, 698744), (608, 643580), (640, 611401), (665, 588416), (760, 514864), (896, 436715), (1064, 367760), (1120, 349372), (1216, 321790), (1330, 294208), (1520, 257432), (2128, 183880), (2240, 174686), (2432, 160895), (2660, 147104), (3040, 128716), (4256, 91940), (4480, 87343), (4597, 85120), (5320, 73552), (6080, 64358), (8512, 45970), (9194, 42560), (10640, 36776), (12160, 32179), (17024, 22985), (18388, 21280)]