15964220

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 34715520

約数和(自身を除く): 18751300

約数列:

[1, 2, 4, 5, 10, 20, 59, 83, 118, 163, 166, 236, 295, 326, 332, 415, 590, 652, 815, 830, 1180, 1630, 1660, 3260, 4897, 9617, 9794, 13529, 19234, 19588, 24485, 27058, 38468, 48085, 48970, 54116, 67645, 96170, 97940, 135290, 192340, 270580, 798211, 1596422, 3192844, 3991055, 7982110, 15964220]

約数ペア:

[(1, 15964220), (2, 7982110), (4, 3991055), (5, 3192844), (10, 1596422), (20, 798211), (59, 270580), (83, 192340), (118, 135290), (163, 97940), (166, 96170), (236, 67645), (295, 54116), (326, 48970), (332, 48085), (415, 38468), (590, 27058), (652, 24485), (815, 19588), (830, 19234), (1180, 13529), (1630, 9794), (1660, 9617), (3260, 4897)]