30675880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{223}}^1$

素因数の和:434

約数の個数: 64

約数和(自身を含む): 73382400

約数和(自身を除く): 42706520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 181, 190, 223, 362, 380, 446, 724, 760, 892, 905, 1115, 1448, 1784, 1810, 2230, 3439, 3620, 4237, 4460, 6878, 7240, 8474, 8920, 13756, 16948, 17195, 21185, 27512, 33896, 34390, 40363, 42370, 68780, 80726, 84740, 137560, 161452, 169480, 201815, 322904, 403630, 766897, 807260, 1533794, 1614520, 3067588, 3834485, 6135176, 7668970, 15337940, 30675880]

約数ペア:

[(1, 30675880), (2, 15337940), (4, 7668970), (5, 6135176), (8, 3834485), (10, 3067588), (19, 1614520), (20, 1533794), (38, 807260), (40, 766897), (76, 403630), (95, 322904), (152, 201815), (181, 169480), (190, 161452), (223, 137560), (362, 84740), (380, 80726), (446, 68780), (724, 42370), (760, 40363), (892, 34390), (905, 33896), (1115, 27512), (1448, 21185), (1784, 17195), (1810, 16948), (2230, 13756), (3439, 8920), (3620, 8474), (4237, 7240), (4460, 6878)]