31533640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{587}}^1$

素因数の和:694

約数の個数: 64

約数和(自身を含む): 76204800

約数和(自身を除く): 44671160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 79, 85, 136, 158, 170, 316, 340, 395, 587, 632, 680, 790, 1174, 1343, 1580, 2348, 2686, 2935, 3160, 4696, 5372, 5870, 6715, 9979, 10744, 11740, 13430, 19958, 23480, 26860, 39916, 46373, 49895, 53720, 79832, 92746, 99790, 185492, 199580, 231865, 370984, 399160, 463730, 788341, 927460, 1576682, 1854920, 3153364, 3941705, 6306728, 7883410, 15766820, 31533640]

約数ペア:

[(1, 31533640), (2, 15766820), (4, 7883410), (5, 6306728), (8, 3941705), (10, 3153364), (17, 1854920), (20, 1576682), (34, 927460), (40, 788341), (68, 463730), (79, 399160), (85, 370984), (136, 231865), (158, 199580), (170, 185492), (316, 99790), (340, 92746), (395, 79832), (587, 53720), (632, 49895), (680, 46373), (790, 39916), (1174, 26860), (1343, 23480), (1580, 19958), (2348, 13430), (2686, 11740), (2935, 10744), (3160, 9979), (4696, 6715), (5372, 5870)]