7899420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{137}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 23021712

約数和(自身を除く): 15122292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 137, 155, 186, 274, 310, 372, 411, 465, 548, 620, 685, 822, 930, 961, 1370, 1644, 1860, 1922, 2055, 2740, 2883, 3844, 4110, 4247, 4805, 5766, 8220, 8494, 9610, 11532, 12741, 14415, 16988, 19220, 21235, 25482, 28830, 42470, 50964, 57660, 63705, 84940, 127410, 131657, 254820, 263314, 394971, 526628, 658285, 789942, 1316570, 1579884, 1974855, 2633140, 3949710, 7899420]

約数ペア:

[(1, 7899420), (2, 3949710), (3, 2633140), (4, 1974855), (5, 1579884), (6, 1316570), (10, 789942), (12, 658285), (15, 526628), (20, 394971), (30, 263314), (31, 254820), (60, 131657), (62, 127410), (93, 84940), (124, 63705), (137, 57660), (155, 50964), (186, 42470), (274, 28830), (310, 25482), (372, 21235), (411, 19220), (465, 16988), (548, 14415), (620, 12741), (685, 11532), (822, 9610), (930, 8494), (961, 8220), (1370, 5766), (1644, 4805), (1860, 4247), (1922, 4110), (2055, 3844), (2740, 2883)]