1280841300

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{74903}}^1$

素因数の和:74942

約数の個数: 108

約数和(自身を含む): 4226083680

約数和(自身を除く): 2945242380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 36, 38, 45, 50, 57, 60, 75, 76, 90, 95, 100, 114, 150, 171, 180, 190, 225, 228, 285, 300, 342, 380, 450, 475, 570, 684, 855, 900, 950, 1140, 1425, 1710, 1900, 2850, 3420, 4275, 5700, 8550, 17100, 74903, 149806, 224709, 299612, 374515, 449418, 674127, 749030, 898836, 1123545, 1348254, 1423157, 1498060, 1872575, 2247090, 2696508, 2846314, 3370635, 3745150, 4269471, 4494180, 5617725, 5692628, 6741270, 7115785, 7490300, 8538942, 11235450, 12808413, 13482540, 14231570, 16853175, 17077884, 21347355, 22470900, 25616826, 28463140, 33706350, 35578925, 42694710, 51233652, 64042065, 67412700, 71157850, 85389420, 106736775, 128084130, 142315700, 213473550, 256168260, 320210325, 426947100, 640420650, 1280841300]

約数ペア:

[(1, 1280841300), (2, 640420650), (3, 426947100), (4, 320210325), (5, 256168260), (6, 213473550), (9, 142315700), (10, 128084130), (12, 106736775), (15, 85389420), (18, 71157850), (19, 67412700), (20, 64042065), (25, 51233652), (30, 42694710), (36, 35578925), (38, 33706350), (45, 28463140), (50, 25616826), (57, 22470900), (60, 21347355), (75, 17077884), (76, 16853175), (90, 14231570), (95, 13482540), (100, 12808413), (114, 11235450), (150, 8538942), (171, 7490300), (180, 7115785), (190, 6741270), (225, 5692628), (228, 5617725), (285, 4494180), (300, 4269471), (342, 3745150), (380, 3370635), (450, 2846314), (475, 2696508), (570, 2247090), (684, 1872575), (855, 1498060), (900, 1423157), (950, 1348254), (1140, 1123545), (1425, 898836), (1710, 749030), (1900, 674127), (2850, 449418), (3420, 374515), (4275, 299612), (5700, 224709), (8550, 149806), (17100, 74903)]