77978320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{8191}}^1$

素因数の和:8228

約数の個数: 80

約数和(自身を含む): 219414528

約数和(自身を除く): 141436208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 4760, 8191, 9520, 16382, 32764, 40955, 57337, 65528, 81910, 114674, 131056, 139247, 163820, 229348, 278494, 286685, 327640, 458696, 556988, 573370, 655280, 696235, 917392, 974729, 1113976, 1146740, 1392470, 1949458, 2227952, 2293480, 2784940, 3898916, 4586960, 4873645, 5569880, 7797832, 9747290, 11139760, 15595664, 19494580, 38989160, 77978320]

約数ペア:

[(1, 77978320), (2, 38989160), (4, 19494580), (5, 15595664), (7, 11139760), (8, 9747290), (10, 7797832), (14, 5569880), (16, 4873645), (17, 4586960), (20, 3898916), (28, 2784940), (34, 2293480), (35, 2227952), (40, 1949458), (56, 1392470), (68, 1146740), (70, 1113976), (80, 974729), (85, 917392), (112, 696235), (119, 655280), (136, 573370), (140, 556988), (170, 458696), (238, 327640), (272, 286685), (280, 278494), (340, 229348), (476, 163820), (560, 139247), (595, 131056), (680, 114674), (952, 81910), (1190, 65528), (1360, 57337), (1904, 40955), (2380, 32764), (4760, 16382), (8191, 9520)]