68216120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:349

約数の個数: 128

約数和(自身を含む): 188006400

約数和(自身を除く): 119790280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 31, 35, 40, 56, 58, 62, 70, 116, 124, 140, 145, 155, 203, 217, 232, 248, 271, 280, 290, 310, 406, 434, 542, 580, 620, 812, 868, 899, 1015, 1084, 1085, 1160, 1240, 1355, 1624, 1736, 1798, 1897, 2030, 2168, 2170, 2710, 3596, 3794, 4060, 4340, 4495, 5420, 6293, 7192, 7588, 7859, 8120, 8401, 8680, 8990, 9485, 10840, 12586, 15176, 15718, 16802, 17980, 18970, 25172, 31436, 31465, 33604, 35960, 37940, 39295, 42005, 50344, 55013, 58807, 62872, 62930, 67208, 75880, 78590, 84010, 110026, 117614, 125860, 157180, 168020, 220052, 235228, 243629, 251720, 275065, 294035, 314360, 336040, 440104, 470456, 487258, 550130, 588070, 974516, 1100260, 1176140, 1218145, 1705403, 1949032, 2200520, 2352280, 2436290, 3410806, 4872580, 6821612, 8527015, 9745160, 13643224, 17054030, 34108060, 68216120]

約数ペア:

[(1, 68216120), (2, 34108060), (4, 17054030), (5, 13643224), (7, 9745160), (8, 8527015), (10, 6821612), (14, 4872580), (20, 3410806), (28, 2436290), (29, 2352280), (31, 2200520), (35, 1949032), (40, 1705403), (56, 1218145), (58, 1176140), (62, 1100260), (70, 974516), (116, 588070), (124, 550130), (140, 487258), (145, 470456), (155, 440104), (203, 336040), (217, 314360), (232, 294035), (248, 275065), (271, 251720), (280, 243629), (290, 235228), (310, 220052), (406, 168020), (434, 157180), (542, 125860), (580, 117614), (620, 110026), (812, 84010), (868, 78590), (899, 75880), (1015, 67208), (1084, 62930), (1085, 62872), (1160, 58807), (1240, 55013), (1355, 50344), (1624, 42005), (1736, 39295), (1798, 37940), (1897, 35960), (2030, 33604), (2168, 31465), (2170, 31436), (2710, 25172), (3596, 18970), (3794, 17980), (4060, 16802), (4340, 15718), (4495, 15176), (5420, 12586), (6293, 10840), (7192, 9485), (7588, 8990), (7859, 8680), (8120, 8401)]