135678420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{4211}}^1$

素因数の和:4405

約数の個数: 72

約数和(自身を含む): 413955360

約数和(自身を除く): 278276940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 179, 180, 358, 537, 716, 895, 1074, 1611, 1790, 2148, 2685, 3222, 3580, 4211, 5370, 6444, 8055, 8422, 10740, 12633, 16110, 16844, 21055, 25266, 32220, 37899, 42110, 50532, 63165, 75798, 84220, 126330, 151596, 189495, 252660, 378990, 753769, 757980, 1507538, 2261307, 3015076, 3768845, 4522614, 6783921, 7537690, 9045228, 11306535, 13567842, 15075380, 22613070, 27135684, 33919605, 45226140, 67839210, 135678420]

約数ペア:

[(1, 135678420), (2, 67839210), (3, 45226140), (4, 33919605), (5, 27135684), (6, 22613070), (9, 15075380), (10, 13567842), (12, 11306535), (15, 9045228), (18, 7537690), (20, 6783921), (30, 4522614), (36, 3768845), (45, 3015076), (60, 2261307), (90, 1507538), (179, 757980), (180, 753769), (358, 378990), (537, 252660), (716, 189495), (895, 151596), (1074, 126330), (1611, 84220), (1790, 75798), (2148, 63165), (2685, 50532), (3222, 42110), (3580, 37899), (4211, 32220), (5370, 25266), (6444, 21055), (8055, 16844), (8422, 16110), (10740, 12633)]