19990804680

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{721169}}^1$

素因数の和:721204

約数の個数: 192

約数和(自身を含む): 81001814400

約数和(自身を除く): 61011009720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 110, 120, 126, 132, 140, 154, 165, 168, 180, 198, 210, 220, 231, 252, 264, 280, 308, 315, 330, 360, 385, 396, 420, 440, 462, 495, 504, 616, 630, 660, 693, 770, 792, 840, 924, 990, 1155, 1260, 1320, 1386, 1540, 1848, 1980, 2310, 2520, 2772, 3080, 3465, 3960, 4620, 5544, 6930, 9240, 13860, 27720, 721169, 1442338, 2163507, 2884676, 3605845, 4327014, 5048183, 5769352, 6490521, 7211690, 7932859, 8654028, 10096366, 10817535, 12981042, 14423380, 15144549, 15865718, 17308056, 20192732, 21635070, 23798577, 25240915, 25962084, 28846760, 30289098, 31731436, 32452605, 39664295, 40385464, 43270140, 45433647, 47597154, 50481830, 51924168, 55530013, 60578196, 63462872, 64905210, 71395731, 75722745, 79328590, 86540280, 90867294, 95194308, 100963660, 111060026, 118992885, 121156392, 129810420, 142791462, 151445490, 158657180, 166590039, 181734588, 190388616, 201927320, 222120052, 227168235, 237985770, 259620840, 277650065, 285582924, 302890980, 317314360, 333180078, 356978655, 363469176, 444240104, 454336470, 475971540, 499770117, 555300130, 571165848, 605781960, 666360156, 713957310, 832950195, 908672940, 951943080, 999540234, 1110600260, 1332720312, 1427914620, 1665900390, 1817345880, 1999080468, 2221200520, 2498850585, 2855829240, 3331800780, 3998160936, 4997701170, 6663601560, 9995402340, 19990804680]

約数ペア:

[(1, 19990804680), (2, 9995402340), (3, 6663601560), (4, 4997701170), (5, 3998160936), (6, 3331800780), (7, 2855829240), (8, 2498850585), (9, 2221200520), (10, 1999080468), (11, 1817345880), (12, 1665900390), (14, 1427914620), (15, 1332720312), (18, 1110600260), (20, 999540234), (21, 951943080), (22, 908672940), (24, 832950195), (28, 713957310), (30, 666360156), (33, 605781960), (35, 571165848), (36, 555300130), (40, 499770117), (42, 475971540), (44, 454336470), (45, 444240104), (55, 363469176), (56, 356978655), (60, 333180078), (63, 317314360), (66, 302890980), (70, 285582924), (72, 277650065), (77, 259620840), (84, 237985770), (88, 227168235), (90, 222120052), (99, 201927320), (105, 190388616), (110, 181734588), (120, 166590039), (126, 158657180), (132, 151445490), (140, 142791462), (154, 129810420), (165, 121156392), (168, 118992885), (180, 111060026), (198, 100963660), (210, 95194308), (220, 90867294), (231, 86540280), (252, 79328590), (264, 75722745), (280, 71395731), (308, 64905210), (315, 63462872), (330, 60578196), (360, 55530013), (385, 51924168), (396, 50481830), (420, 47597154), (440, 45433647), (462, 43270140), (495, 40385464), (504, 39664295), (616, 32452605), (630, 31731436), (660, 30289098), (693, 28846760), (770, 25962084), (792, 25240915), (840, 23798577), (924, 21635070), (990, 20192732), (1155, 17308056), (1260, 15865718), (1320, 15144549), (1386, 14423380), (1540, 12981042), (1848, 10817535), (1980, 10096366), (2310, 8654028), (2520, 7932859), (2772, 7211690), (3080, 6490521), (3465, 5769352), (3960, 5048183), (4620, 4327014), (5544, 3605845), (6930, 2884676), (9240, 2163507), (13860, 1442338), (27720, 721169)]