61351760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{223}}^1$

素因数の和:436

約数の個数: 80

約数和(自身を含む): 151656960

約数和(自身を除く): 90305200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 181, 190, 223, 304, 362, 380, 446, 724, 760, 892, 905, 1115, 1448, 1520, 1784, 1810, 2230, 2896, 3439, 3568, 3620, 4237, 4460, 6878, 7240, 8474, 8920, 13756, 14480, 16948, 17195, 17840, 21185, 27512, 33896, 34390, 40363, 42370, 55024, 67792, 68780, 80726, 84740, 137560, 161452, 169480, 201815, 275120, 322904, 338960, 403630, 645808, 766897, 807260, 1533794, 1614520, 3067588, 3229040, 3834485, 6135176, 7668970, 12270352, 15337940, 30675880, 61351760]

約数ペア:

[(1, 61351760), (2, 30675880), (4, 15337940), (5, 12270352), (8, 7668970), (10, 6135176), (16, 3834485), (19, 3229040), (20, 3067588), (38, 1614520), (40, 1533794), (76, 807260), (80, 766897), (95, 645808), (152, 403630), (181, 338960), (190, 322904), (223, 275120), (304, 201815), (362, 169480), (380, 161452), (446, 137560), (724, 84740), (760, 80726), (892, 68780), (905, 67792), (1115, 55024), (1448, 42370), (1520, 40363), (1784, 34390), (1810, 33896), (2230, 27512), (2896, 21185), (3439, 17840), (3568, 17195), (3620, 16948), (4237, 14480), (4460, 13756), (6878, 8920), (7240, 8474)]