205608120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2909}}^1$

素因数の和:2973

約数の個数: 128

約数和(自身を含む): 670464000

約数和(自身を除く): 464855880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 31, 38, 40, 57, 60, 62, 76, 93, 95, 114, 120, 124, 152, 155, 186, 190, 228, 248, 285, 310, 372, 380, 456, 465, 570, 589, 620, 744, 760, 930, 1140, 1178, 1240, 1767, 1860, 2280, 2356, 2909, 2945, 3534, 3720, 4712, 5818, 5890, 7068, 8727, 8835, 11636, 11780, 14136, 14545, 17454, 17670, 23272, 23560, 29090, 34908, 35340, 43635, 55271, 58180, 69816, 70680, 87270, 90179, 110542, 116360, 165813, 174540, 180358, 221084, 270537, 276355, 331626, 349080, 360716, 442168, 450895, 541074, 552710, 663252, 721432, 829065, 901790, 1082148, 1105420, 1326504, 1352685, 1658130, 1713401, 1803580, 2164296, 2210840, 2705370, 3316260, 3426802, 3607160, 5140203, 5410740, 6632520, 6853604, 8567005, 10280406, 10821480, 13707208, 17134010, 20560812, 25701015, 34268020, 41121624, 51402030, 68536040, 102804060, 205608120]

約数ペア:

[(1, 205608120), (2, 102804060), (3, 68536040), (4, 51402030), (5, 41121624), (6, 34268020), (8, 25701015), (10, 20560812), (12, 17134010), (15, 13707208), (19, 10821480), (20, 10280406), (24, 8567005), (30, 6853604), (31, 6632520), (38, 5410740), (40, 5140203), (57, 3607160), (60, 3426802), (62, 3316260), (76, 2705370), (93, 2210840), (95, 2164296), (114, 1803580), (120, 1713401), (124, 1658130), (152, 1352685), (155, 1326504), (186, 1105420), (190, 1082148), (228, 901790), (248, 829065), (285, 721432), (310, 663252), (372, 552710), (380, 541074), (456, 450895), (465, 442168), (570, 360716), (589, 349080), (620, 331626), (744, 276355), (760, 270537), (930, 221084), (1140, 180358), (1178, 174540), (1240, 165813), (1767, 116360), (1860, 110542), (2280, 90179), (2356, 87270), (2909, 70680), (2945, 69816), (3534, 58180), (3720, 55271), (4712, 43635), (5818, 35340), (5890, 34908), (7068, 29090), (8727, 23560), (8835, 23272), (11636, 17670), (11780, 17454), (14136, 14545)]