245032740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71647}}^1$

素因数の和:71681

約数の個数: 72

約数和(自身を含む): 782396160

約数和(自身を除く): 537363420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 71647, 143294, 214941, 286588, 358235, 429882, 644823, 716470, 859764, 1074705, 1289646, 1361293, 1432940, 2149410, 2579292, 2722586, 3224115, 4083879, 4298820, 5445172, 6448230, 6806465, 8167758, 12251637, 12896460, 13612930, 16335516, 20419395, 24503274, 27225860, 40838790, 49006548, 61258185, 81677580, 122516370, 245032740]

約数ペア:

[(1, 245032740), (2, 122516370), (3, 81677580), (4, 61258185), (5, 49006548), (6, 40838790), (9, 27225860), (10, 24503274), (12, 20419395), (15, 16335516), (18, 13612930), (19, 12896460), (20, 12251637), (30, 8167758), (36, 6806465), (38, 6448230), (45, 5445172), (57, 4298820), (60, 4083879), (76, 3224115), (90, 2722586), (95, 2579292), (114, 2149410), (171, 1432940), (180, 1361293), (190, 1289646), (228, 1074705), (285, 859764), (342, 716470), (380, 644823), (570, 429882), (684, 358235), (855, 286588), (1140, 214941), (1710, 143294), (3420, 71647)]