120020220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:340

約数の個数: 144

約数和(自身を含む): 380959488

約数和(自身を除く): 260939268

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 137, 155, 157, 180, 186, 274, 279, 310, 314, 372, 411, 465, 471, 548, 558, 620, 628, 685, 785, 822, 930, 942, 1116, 1233, 1370, 1395, 1413, 1570, 1644, 1860, 1884, 2055, 2355, 2466, 2740, 2790, 2826, 3140, 4110, 4247, 4710, 4867, 4932, 5580, 5652, 6165, 7065, 8220, 8494, 9420, 9734, 12330, 12741, 14130, 14601, 16988, 19468, 21235, 21509, 24335, 24660, 25482, 28260, 29202, 38223, 42470, 43018, 43803, 48670, 50964, 58404, 63705, 64527, 73005, 76446, 84940, 86036, 87606, 97340, 107545, 127410, 129054, 146010, 152892, 175212, 191115, 193581, 215090, 219015, 254820, 258108, 292020, 322635, 382230, 387162, 430180, 438030, 645270, 666779, 764460, 774324, 876060, 967905, 1290540, 1333558, 1935810, 2000337, 2667116, 3333895, 3871620, 4000674, 6001011, 6667790, 8001348, 10001685, 12002022, 13335580, 20003370, 24004044, 30005055, 40006740, 60010110, 120020220]

約数ペア:

[(1, 120020220), (2, 60010110), (3, 40006740), (4, 30005055), (5, 24004044), (6, 20003370), (9, 13335580), (10, 12002022), (12, 10001685), (15, 8001348), (18, 6667790), (20, 6001011), (30, 4000674), (31, 3871620), (36, 3333895), (45, 2667116), (60, 2000337), (62, 1935810), (90, 1333558), (93, 1290540), (124, 967905), (137, 876060), (155, 774324), (157, 764460), (180, 666779), (186, 645270), (274, 438030), (279, 430180), (310, 387162), (314, 382230), (372, 322635), (411, 292020), (465, 258108), (471, 254820), (548, 219015), (558, 215090), (620, 193581), (628, 191115), (685, 175212), (785, 152892), (822, 146010), (930, 129054), (942, 127410), (1116, 107545), (1233, 97340), (1370, 87606), (1395, 86036), (1413, 84940), (1570, 76446), (1644, 73005), (1860, 64527), (1884, 63705), (2055, 58404), (2355, 50964), (2466, 48670), (2740, 43803), (2790, 43018), (2826, 42470), (3140, 38223), (4110, 29202), (4247, 28260), (4710, 25482), (4867, 24660), (4932, 24335), (5580, 21509), (5652, 21235), (6165, 19468), (7065, 16988), (8220, 14601), (8494, 14130), (9420, 12741), (9734, 12330)]