15142940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 33233760

約数和(自身を除く): 18090820

約数列:

[1, 2, 4, 5, 10, 20, 41, 59, 82, 118, 164, 205, 236, 295, 313, 410, 590, 626, 820, 1180, 1252, 1565, 2419, 3130, 4838, 6260, 9676, 12095, 12833, 18467, 24190, 25666, 36934, 48380, 51332, 64165, 73868, 92335, 128330, 184670, 256660, 369340, 757147, 1514294, 3028588, 3785735, 7571470, 15142940]

約数ペア:

[(1, 15142940), (2, 7571470), (4, 3785735), (5, 3028588), (10, 1514294), (20, 757147), (41, 369340), (59, 256660), (82, 184670), (118, 128330), (164, 92335), (205, 73868), (236, 64165), (295, 51332), (313, 48380), (410, 36934), (590, 25666), (626, 24190), (820, 18467), (1180, 12833), (1252, 12095), (1565, 9676), (2419, 6260), (3130, 4838)]