65457280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{769}}^1$

素因数の和:814

約数の個数: 128

約数和(自身を含む): 188496000

約数和(自身を除く): 123038720

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, 769, 896, 1064, 1120, 1216, 1330, 1520, 1538, 2128, 2240, 2432, 2660, 3040, 3076, 3845, 4256, 4480, 5320, 5383, 6080, 6152, 7690, 8512, 10640, 10766, 12160, 12304, 14611, 15380, 17024, 21280, 21532, 24608, 26915, 29222, 30760, 42560, 43064, 49216, 53830, 58444, 61520, 73055, 85120, 86128, 98432, 102277, 107660, 116888, 123040, 146110, 172256, 204554, 215320, 233776, 246080, 292220, 344512, 409108, 430640, 467552, 492160, 511385, 584440, 689024, 818216, 861280, 935104, 1022770, 1168880, 1636432, 1722560, 1870208, 2045540, 2337760, 3272864, 3445120, 4091080, 4675520, 6545728, 8182160, 9351040, 13091456, 16364320, 32728640, 65457280]

約数ペア:

[(1, 65457280), (2, 32728640), (4, 16364320), (5, 13091456), (7, 9351040), (8, 8182160), (10, 6545728), (14, 4675520), (16, 4091080), (19, 3445120), (20, 3272864), (28, 2337760), (32, 2045540), (35, 1870208), (38, 1722560), (40, 1636432), (56, 1168880), (64, 1022770), (70, 935104), (76, 861280), (80, 818216), (95, 689024), (112, 584440), (128, 511385), (133, 492160), (140, 467552), (152, 430640), (160, 409108), (190, 344512), (224, 292220), (266, 246080), (280, 233776), (304, 215320), (320, 204554), (380, 172256), (448, 146110), (532, 123040), (560, 116888), (608, 107660), (640, 102277), (665, 98432), (760, 86128), (769, 85120), (896, 73055), (1064, 61520), (1120, 58444), (1216, 53830), (1330, 49216), (1520, 43064), (1538, 42560), (2128, 30760), (2240, 29222), (2432, 26915), (2660, 24608), (3040, 21532), (3076, 21280), (3845, 17024), (4256, 15380), (4480, 14611), (5320, 12304), (5383, 12160), (6080, 10766), (6152, 10640), (7690, 8512)]