780718880

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:307

約数の個数: 192

約数和(自身を含む): 2069286912

約数和(自身を除く): 1288568032

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 47, 62, 68, 80, 85, 94, 124, 136, 155, 160, 170, 188, 197, 235, 248, 272, 310, 340, 376, 394, 470, 496, 527, 544, 620, 680, 752, 788, 799, 940, 985, 992, 1054, 1240, 1360, 1457, 1504, 1576, 1598, 1880, 1970, 2108, 2480, 2635, 2720, 2914, 3152, 3196, 3349, 3760, 3940, 3995, 4216, 4960, 5270, 5828, 6107, 6304, 6392, 6698, 7285, 7520, 7880, 7990, 8432, 9259, 10540, 11656, 12214, 12784, 13396, 14570, 15760, 15980, 16745, 16864, 18518, 21080, 23312, 24428, 24769, 25568, 26792, 29140, 30535, 31520, 31960, 33490, 37036, 42160, 46295, 46624, 48856, 49538, 53584, 58280, 61070, 63920, 66980, 74072, 84320, 92590, 97712, 99076, 103819, 107168, 116560, 122140, 123845, 127840, 133960, 148144, 157403, 185180, 195424, 198152, 207638, 233120, 244280, 247690, 267920, 287029, 296288, 314806, 370360, 396304, 415276, 488560, 495380, 519095, 535840, 574058, 629612, 740720, 787015, 792608, 830552, 977120, 990760, 1038190, 1148116, 1259224, 1435145, 1481440, 1574030, 1661104, 1981520, 2076380, 2296232, 2518448, 2870290, 3148060, 3322208, 3963040, 4152760, 4592464, 4879493, 5036896, 5740580, 6296120, 8305520, 9184928, 9758986, 11481160, 12592240, 16611040, 19517972, 22962320, 24397465, 25184480, 39035944, 45924640, 48794930, 78071888, 97589860, 156143776, 195179720, 390359440, 780718880]

約数ペア:

[(1, 780718880), (2, 390359440), (4, 195179720), (5, 156143776), (8, 97589860), (10, 78071888), (16, 48794930), (17, 45924640), (20, 39035944), (31, 25184480), (32, 24397465), (34, 22962320), (40, 19517972), (47, 16611040), (62, 12592240), (68, 11481160), (80, 9758986), (85, 9184928), (94, 8305520), (124, 6296120), (136, 5740580), (155, 5036896), (160, 4879493), (170, 4592464), (188, 4152760), (197, 3963040), (235, 3322208), (248, 3148060), (272, 2870290), (310, 2518448), (340, 2296232), (376, 2076380), (394, 1981520), (470, 1661104), (496, 1574030), (527, 1481440), (544, 1435145), (620, 1259224), (680, 1148116), (752, 1038190), (788, 990760), (799, 977120), (940, 830552), (985, 792608), (992, 787015), (1054, 740720), (1240, 629612), (1360, 574058), (1457, 535840), (1504, 519095), (1576, 495380), (1598, 488560), (1880, 415276), (1970, 396304), (2108, 370360), (2480, 314806), (2635, 296288), (2720, 287029), (2914, 267920), (3152, 247690), (3196, 244280), (3349, 233120), (3760, 207638), (3940, 198152), (3995, 195424), (4216, 185180), (4960, 157403), (5270, 148144), (5828, 133960), (6107, 127840), (6304, 123845), (6392, 122140), (6698, 116560), (7285, 107168), (7520, 103819), (7880, 99076), (7990, 97712), (8432, 92590), (9259, 84320), (10540, 74072), (11656, 66980), (12214, 63920), (12784, 61070), (13396, 58280), (14570, 53584), (15760, 49538), (15980, 48856), (16745, 46624), (16864, 46295), (18518, 42160), (21080, 37036), (23312, 33490), (24428, 31960), (24769, 31520), (25568, 30535), (26792, 29140)]