666538180

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{11}}^3\times {\mathrm{73}}^1$

素因数の和:136

約数の個数: 192

約数和(自身を含む): 1820044800

約数和(自身を除く): 1153506620

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 73, 77, 98, 110, 121, 140, 146, 154, 196, 220, 242, 245, 292, 308, 343, 365, 385, 484, 490, 511, 539, 605, 686, 730, 770, 803, 847, 980, 1022, 1078, 1210, 1331, 1372, 1460, 1540, 1606, 1694, 1715, 2044, 2156, 2420, 2555, 2662, 2695, 3212, 3388, 3430, 3577, 3773, 4015, 4235, 5110, 5324, 5390, 5621, 5929, 6655, 6860, 7154, 7546, 8030, 8470, 8833, 9317, 10220, 10780, 11242, 11858, 13310, 14308, 15092, 16060, 16940, 17666, 17885, 18634, 18865, 22484, 23716, 25039, 26620, 28105, 29645, 35332, 35770, 37268, 37730, 39347, 41503, 44165, 46585, 50078, 56210, 59290, 61831, 65219, 71540, 75460, 78694, 83006, 88330, 93170, 97163, 100156, 112420, 118580, 123662, 125195, 130438, 157388, 166012, 176660, 186340, 194326, 196735, 207515, 247324, 250390, 260876, 275429, 309155, 326095, 388652, 393470, 415030, 432817, 456533, 485815, 500780, 550858, 618310, 652190, 680141, 786940, 830060, 865634, 913066, 971630, 1101716, 1236620, 1304380, 1360282, 1377145, 1731268, 1826132, 1943260, 2164085, 2282665, 2720564, 2754290, 3029719, 3400705, 4328170, 4565330, 4760987, 5508580, 6059438, 6801410, 8656340, 9130660, 9521974, 12118876, 13602820, 15148595, 19043948, 23804935, 30297190, 33326909, 47609870, 60594380, 66653818, 95219740, 133307636, 166634545, 333269090, 666538180]

約数ペア:

[(1, 666538180), (2, 333269090), (4, 166634545), (5, 133307636), (7, 95219740), (10, 66653818), (11, 60594380), (14, 47609870), (20, 33326909), (22, 30297190), (28, 23804935), (35, 19043948), (44, 15148595), (49, 13602820), (55, 12118876), (70, 9521974), (73, 9130660), (77, 8656340), (98, 6801410), (110, 6059438), (121, 5508580), (140, 4760987), (146, 4565330), (154, 4328170), (196, 3400705), (220, 3029719), (242, 2754290), (245, 2720564), (292, 2282665), (308, 2164085), (343, 1943260), (365, 1826132), (385, 1731268), (484, 1377145), (490, 1360282), (511, 1304380), (539, 1236620), (605, 1101716), (686, 971630), (730, 913066), (770, 865634), (803, 830060), (847, 786940), (980, 680141), (1022, 652190), (1078, 618310), (1210, 550858), (1331, 500780), (1372, 485815), (1460, 456533), (1540, 432817), (1606, 415030), (1694, 393470), (1715, 388652), (2044, 326095), (2156, 309155), (2420, 275429), (2555, 260876), (2662, 250390), (2695, 247324), (3212, 207515), (3388, 196735), (3430, 194326), (3577, 186340), (3773, 176660), (4015, 166012), (4235, 157388), (5110, 130438), (5324, 125195), (5390, 123662), (5621, 118580), (5929, 112420), (6655, 100156), (6860, 97163), (7154, 93170), (7546, 88330), (8030, 83006), (8470, 78694), (8833, 75460), (9317, 71540), (10220, 65219), (10780, 61831), (11242, 59290), (11858, 56210), (13310, 50078), (14308, 46585), (15092, 44165), (16060, 41503), (16940, 39347), (17666, 37730), (17885, 37268), (18634, 35770), (18865, 35332), (22484, 29645), (23716, 28105), (25039, 26620)]