1947932560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{151237}}^1$

素因数の和:151280

約数の個数: 80

約数和(自身を含む): 5401011456

約数和(自身を除く): 3453078896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 12880, 151237, 302474, 604948, 756185, 1058659, 1209896, 1512370, 2117318, 2419792, 3024740, 3478451, 4234636, 5293295, 6049480, 6956902, 8469272, 10586590, 12098960, 13913804, 16938544, 17392255, 21173180, 24349157, 27827608, 34784510, 42346360, 48698314, 55655216, 69569020, 84692720, 97396628, 121745785, 139138040, 194793256, 243491570, 278276080, 389586512, 486983140, 973966280, 1947932560]

約数ペア:

[(1, 1947932560), (2, 973966280), (4, 486983140), (5, 389586512), (7, 278276080), (8, 243491570), (10, 194793256), (14, 139138040), (16, 121745785), (20, 97396628), (23, 84692720), (28, 69569020), (35, 55655216), (40, 48698314), (46, 42346360), (56, 34784510), (70, 27827608), (80, 24349157), (92, 21173180), (112, 17392255), (115, 16938544), (140, 13913804), (161, 12098960), (184, 10586590), (230, 8469272), (280, 6956902), (322, 6049480), (368, 5293295), (460, 4234636), (560, 3478451), (644, 3024740), (805, 2419792), (920, 2117318), (1288, 1512370), (1610, 1209896), (1840, 1058659), (2576, 756185), (3220, 604948), (6440, 302474), (12880, 151237)]