261538830

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{415141}}^1$

素因数の和:415161

約数の個数: 48

約数和(自身を含む): 777145824

約数和(自身を除く): 515606994

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 415141, 830282, 1245423, 2075705, 2490846, 2905987, 3736269, 4151410, 5811974, 6227115, 7472538, 8717961, 12454230, 14529935, 17435922, 18681345, 26153883, 29059870, 37362690, 43589805, 52307766, 87179610, 130769415, 261538830]

約数ペア:

[(1, 261538830), (2, 130769415), (3, 87179610), (5, 52307766), (6, 43589805), (7, 37362690), (9, 29059870), (10, 26153883), (14, 18681345), (15, 17435922), (18, 14529935), (21, 12454230), (30, 8717961), (35, 7472538), (42, 6227115), (45, 5811974), (63, 4151410), (70, 3736269), (90, 2905987), (105, 2490846), (126, 2075705), (210, 1245423), (315, 830282), (630, 415141)]