77319640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{587}}^1$

素因数の和:724

約数の個数: 64

約数和(自身を含む): 180986400

約数和(自身を除く): 103666760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 89, 148, 178, 185, 296, 356, 370, 445, 587, 712, 740, 890, 1174, 1480, 1780, 2348, 2935, 3293, 3560, 4696, 5870, 6586, 11740, 13172, 16465, 21719, 23480, 26344, 32930, 43438, 52243, 65860, 86876, 104486, 108595, 131720, 173752, 208972, 217190, 261215, 417944, 434380, 522430, 868760, 1044860, 1932991, 2089720, 3865982, 7731964, 9664955, 15463928, 19329910, 38659820, 77319640]

約数ペア:

[(1, 77319640), (2, 38659820), (4, 19329910), (5, 15463928), (8, 9664955), (10, 7731964), (20, 3865982), (37, 2089720), (40, 1932991), (74, 1044860), (89, 868760), (148, 522430), (178, 434380), (185, 417944), (296, 261215), (356, 217190), (370, 208972), (445, 173752), (587, 131720), (712, 108595), (740, 104486), (890, 86876), (1174, 65860), (1480, 52243), (1780, 43438), (2348, 32930), (2935, 26344), (3293, 23480), (3560, 21719), (4696, 16465), (5870, 13172), (6586, 11740)]