861036780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:320

約数の個数: 144

約数和(自身を含む): 2532388320

約数和(自身を除く): 1671351540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 109, 124, 137, 155, 186, 218, 274, 310, 327, 372, 411, 436, 465, 545, 548, 620, 654, 685, 822, 930, 961, 1090, 1308, 1370, 1635, 1644, 1860, 1922, 2055, 2180, 2740, 2883, 3270, 3379, 3844, 4110, 4247, 4805, 5766, 6540, 6758, 8220, 8494, 9610, 10137, 11532, 12741, 13516, 14415, 14933, 16895, 16988, 19220, 20274, 21235, 25482, 28830, 29866, 33790, 40548, 42470, 44799, 50685, 50964, 57660, 59732, 63705, 67580, 74665, 84940, 89598, 101370, 104749, 127410, 131657, 149330, 179196, 202740, 209498, 223995, 254820, 263314, 298660, 314247, 394971, 418996, 447990, 462923, 523745, 526628, 628494, 658285, 789942, 895980, 925846, 1047490, 1256988, 1316570, 1388769, 1571235, 1579884, 1851692, 1974855, 2094980, 2314615, 2633140, 2777538, 3142470, 3949710, 4629230, 5555076, 6284940, 6943845, 7899420, 9258460, 13887690, 14350613, 27775380, 28701226, 43051839, 57402452, 71753065, 86103678, 143506130, 172207356, 215259195, 287012260, 430518390, 861036780]

約数ペア:

[(1, 861036780), (2, 430518390), (3, 287012260), (4, 215259195), (5, 172207356), (6, 143506130), (10, 86103678), (12, 71753065), (15, 57402452), (20, 43051839), (30, 28701226), (31, 27775380), (60, 14350613), (62, 13887690), (93, 9258460), (109, 7899420), (124, 6943845), (137, 6284940), (155, 5555076), (186, 4629230), (218, 3949710), (274, 3142470), (310, 2777538), (327, 2633140), (372, 2314615), (411, 2094980), (436, 1974855), (465, 1851692), (545, 1579884), (548, 1571235), (620, 1388769), (654, 1316570), (685, 1256988), (822, 1047490), (930, 925846), (961, 895980), (1090, 789942), (1308, 658285), (1370, 628494), (1635, 526628), (1644, 523745), (1860, 462923), (1922, 447990), (2055, 418996), (2180, 394971), (2740, 314247), (2883, 298660), (3270, 263314), (3379, 254820), (3844, 223995), (4110, 209498), (4247, 202740), (4805, 179196), (5766, 149330), (6540, 131657), (6758, 127410), (8220, 104749), (8494, 101370), (9610, 89598), (10137, 84940), (11532, 74665), (12741, 67580), (13516, 63705), (14415, 59732), (14933, 57660), (16895, 50964), (16988, 50685), (19220, 44799), (20274, 42470), (21235, 40548), (25482, 33790), (28830, 29866)]