77539280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10651}}^1$

素因数の和:10684

約数の個数: 80

約数和(自身を含む): 221902464

約数和(自身を除く): 144363184

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 10651, 21302, 42604, 53255, 74557, 85208, 106510, 138463, 149114, 170416, 213020, 276926, 298228, 372785, 426040, 553852, 596456, 692315, 745570, 852080, 969241, 1107704, 1192912, 1384630, 1491140, 1938482, 2215408, 2769260, 2982280, 3876964, 4846205, 5538520, 5964560, 7753928, 9692410, 11077040, 15507856, 19384820, 38769640, 77539280]

約数ペア:

[(1, 77539280), (2, 38769640), (4, 19384820), (5, 15507856), (7, 11077040), (8, 9692410), (10, 7753928), (13, 5964560), (14, 5538520), (16, 4846205), (20, 3876964), (26, 2982280), (28, 2769260), (35, 2215408), (40, 1938482), (52, 1491140), (56, 1384630), (65, 1192912), (70, 1107704), (80, 969241), (91, 852080), (104, 745570), (112, 692315), (130, 596456), (140, 553852), (182, 426040), (208, 372785), (260, 298228), (280, 276926), (364, 213020), (455, 170416), (520, 149114), (560, 138463), (728, 106510), (910, 85208), (1040, 74557), (1456, 53255), (1820, 42604), (3640, 21302), (7280, 10651)]