8045642720

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:481

約数の個数: 192

約数和(自身を含む): 20477318400

約数和(自身を除く): 12431675680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 89, 95, 131, 152, 160, 178, 190, 227, 262, 304, 356, 380, 445, 454, 524, 608, 655, 712, 760, 890, 908, 1048, 1135, 1310, 1424, 1520, 1691, 1780, 1816, 2096, 2270, 2489, 2620, 2848, 3040, 3382, 3560, 3632, 4192, 4313, 4540, 4978, 5240, 6764, 7120, 7264, 8455, 8626, 9080, 9956, 10480, 11659, 12445, 13528, 14240, 16910, 17252, 18160, 19912, 20203, 20960, 21565, 23318, 24890, 27056, 29737, 33820, 34504, 36320, 39824, 40406, 43130, 46636, 49780, 54112, 58295, 59474, 67640, 69008, 79648, 80812, 86260, 93272, 99560, 101015, 116590, 118948, 135280, 138016, 148685, 161624, 172520, 186544, 199120, 202030, 221521, 233180, 237896, 270560, 297370, 323248, 345040, 373088, 383857, 398240, 404060, 443042, 466360, 475792, 565003, 594740, 646496, 690080, 767714, 808120, 886084, 932720, 951584, 1107605, 1130006, 1189480, 1535428, 1616240, 1772168, 1865440, 1919285, 2215210, 2260012, 2378960, 2646593, 2825015, 3070856, 3232480, 3544336, 3838570, 4430420, 4520024, 4757920, 5293186, 5650030, 6141712, 7088672, 7677140, 8860840, 9040048, 10586372, 11300060, 12283424, 13232965, 15354280, 17721680, 18080096, 21172744, 22600120, 26465930, 30708560, 35443360, 42345488, 45200240, 50285267, 52931860, 61417120, 84690976, 90400480, 100570534, 105863720, 201141068, 211727440, 251426335, 402282136, 423454880, 502852670, 804564272, 1005705340, 1609128544, 2011410680, 4022821360, 8045642720]

約数ペア:

[(1, 8045642720), (2, 4022821360), (4, 2011410680), (5, 1609128544), (8, 1005705340), (10, 804564272), (16, 502852670), (19, 423454880), (20, 402282136), (32, 251426335), (38, 211727440), (40, 201141068), (76, 105863720), (80, 100570534), (89, 90400480), (95, 84690976), (131, 61417120), (152, 52931860), (160, 50285267), (178, 45200240), (190, 42345488), (227, 35443360), (262, 30708560), (304, 26465930), (356, 22600120), (380, 21172744), (445, 18080096), (454, 17721680), (524, 15354280), (608, 13232965), (655, 12283424), (712, 11300060), (760, 10586372), (890, 9040048), (908, 8860840), (1048, 7677140), (1135, 7088672), (1310, 6141712), (1424, 5650030), (1520, 5293186), (1691, 4757920), (1780, 4520024), (1816, 4430420), (2096, 3838570), (2270, 3544336), (2489, 3232480), (2620, 3070856), (2848, 2825015), (3040, 2646593), (3382, 2378960), (3560, 2260012), (3632, 2215210), (4192, 1919285), (4313, 1865440), (4540, 1772168), (4978, 1616240), (5240, 1535428), (6764, 1189480), (7120, 1130006), (7264, 1107605), (8455, 951584), (8626, 932720), (9080, 886084), (9956, 808120), (10480, 767714), (11659, 690080), (12445, 646496), (13528, 594740), (14240, 565003), (16910, 475792), (17252, 466360), (18160, 443042), (19912, 404060), (20203, 398240), (20960, 383857), (21565, 373088), (23318, 345040), (24890, 323248), (27056, 297370), (29737, 270560), (33820, 237896), (34504, 233180), (36320, 221521), (39824, 202030), (40406, 199120), (43130, 186544), (46636, 172520), (49780, 161624), (54112, 148685), (58295, 138016), (59474, 135280), (67640, 118948), (69008, 116590), (79648, 101015), (80812, 99560), (86260, 93272)]