12740820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12491}}^1$

素因数の和:12520

約数の個数: 48

約数和(自身を含む): 37775808

約数和(自身を除く): 25034988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 12491, 24982, 37473, 49964, 62455, 74946, 124910, 149892, 187365, 212347, 249820, 374730, 424694, 637041, 749460, 849388, 1061735, 1274082, 2123470, 2548164, 3185205, 4246940, 6370410, 12740820]

約数ペア:

[(1, 12740820), (2, 6370410), (3, 4246940), (4, 3185205), (5, 2548164), (6, 2123470), (10, 1274082), (12, 1061735), (15, 849388), (17, 749460), (20, 637041), (30, 424694), (34, 374730), (51, 249820), (60, 212347), (68, 187365), (85, 149892), (102, 124910), (170, 74946), (204, 62455), (255, 49964), (340, 37473), (510, 24982), (1020, 12491)]