80870404880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{23719}}^1$

素因数の和:23881

約数の個数: 160

約数和(自身を含む): 209654438400

約数和(自身を除く): 128784033520

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 46, 68, 80, 85, 92, 109, 115, 136, 170, 184, 218, 230, 272, 340, 368, 391, 436, 460, 545, 680, 782, 872, 920, 1090, 1360, 1564, 1744, 1840, 1853, 1955, 2180, 2507, 3128, 3706, 3910, 4360, 5014, 6256, 7412, 7820, 8720, 9265, 10028, 12535, 14824, 15640, 18530, 20056, 23719, 25070, 29648, 31280, 37060, 40112, 42619, 47438, 50140, 74120, 85238, 94876, 100280, 118595, 148240, 170476, 189752, 200560, 213095, 237190, 340952, 379504, 403223, 426190, 474380, 545537, 681904, 806446, 852380, 948760, 1091074, 1612892, 1704760, 1897520, 2016115, 2182148, 2585371, 2727685, 3225784, 3409520, 4032230, 4364296, 5170742, 5455370, 6451568, 8064460, 8728592, 9274129, 10341484, 10910740, 12926855, 16128920, 18548258, 20682968, 21821480, 25853710, 32257840, 37096516, 41365936, 43642960, 43951307, 46370645, 51707420, 59463533, 74193032, 87902614, 92741290, 103414840, 118927066, 148386064, 175805228, 185482580, 206829680, 219756535, 237854132, 297317665, 351610456, 370965160, 439513070, 475708264, 594635330, 703220912, 741930320, 879026140, 951416528, 1010880061, 1189270660, 1758052280, 2021760122, 2378541320, 3516104560, 4043520244, 4757082640, 5054400305, 8087040488, 10108800610, 16174080976, 20217601220, 40435202440, 80870404880]

約数ペア:

[(1, 80870404880), (2, 40435202440), (4, 20217601220), (5, 16174080976), (8, 10108800610), (10, 8087040488), (16, 5054400305), (17, 4757082640), (20, 4043520244), (23, 3516104560), (34, 2378541320), (40, 2021760122), (46, 1758052280), (68, 1189270660), (80, 1010880061), (85, 951416528), (92, 879026140), (109, 741930320), (115, 703220912), (136, 594635330), (170, 475708264), (184, 439513070), (218, 370965160), (230, 351610456), (272, 297317665), (340, 237854132), (368, 219756535), (391, 206829680), (436, 185482580), (460, 175805228), (545, 148386064), (680, 118927066), (782, 103414840), (872, 92741290), (920, 87902614), (1090, 74193032), (1360, 59463533), (1564, 51707420), (1744, 46370645), (1840, 43951307), (1853, 43642960), (1955, 41365936), (2180, 37096516), (2507, 32257840), (3128, 25853710), (3706, 21821480), (3910, 20682968), (4360, 18548258), (5014, 16128920), (6256, 12926855), (7412, 10910740), (7820, 10341484), (8720, 9274129), (9265, 8728592), (10028, 8064460), (12535, 6451568), (14824, 5455370), (15640, 5170742), (18530, 4364296), (20056, 4032230), (23719, 3409520), (25070, 3225784), (29648, 2727685), (31280, 2585371), (37060, 2182148), (40112, 2016115), (42619, 1897520), (47438, 1704760), (50140, 1612892), (74120, 1091074), (85238, 948760), (94876, 852380), (100280, 806446), (118595, 681904), (148240, 545537), (170476, 474380), (189752, 426190), (200560, 403223), (213095, 379504), (237190, 340952)]