1820500640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1$

素因数の和:479

約数の個数: 192

約数和(自身を含む): 5096577024

約数和(自身を除く): 3276076384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 160, 185, 197, 223, 224, 259, 280, 296, 370, 394, 446, 518, 560, 592, 740, 788, 892, 985, 1036, 1115, 1120, 1184, 1295, 1379, 1480, 1561, 1576, 1784, 1970, 2072, 2230, 2590, 2758, 2960, 3122, 3152, 3568, 3940, 4144, 4460, 5180, 5516, 5920, 6244, 6304, 6895, 7136, 7289, 7805, 7880, 8251, 8288, 8920, 10360, 11032, 12488, 13790, 14578, 15610, 15760, 16502, 17840, 20720, 22064, 24976, 27580, 29156, 31220, 31520, 33004, 35680, 36445, 41255, 41440, 43931, 44128, 49952, 51023, 55160, 57757, 58312, 62440, 66008, 72890, 82510, 87862, 102046, 110320, 115514, 116624, 124880, 132016, 145780, 165020, 175724, 204092, 219655, 220640, 231028, 233248, 249760, 255115, 264032, 288785, 291560, 307517, 330040, 351448, 408184, 439310, 462056, 510230, 577570, 583120, 615034, 660080, 702896, 816368, 878620, 924112, 1020460, 1155140, 1166240, 1230068, 1320160, 1405792, 1537585, 1625447, 1632736, 1757240, 1848224, 2040920, 2310280, 2460136, 3075170, 3250894, 3514480, 4081840, 4620560, 4920272, 6150340, 6501788, 7028960, 8127235, 8163680, 9241120, 9840544, 11378129, 12300680, 13003576, 16254470, 22756258, 24601360, 26007152, 32508940, 45512516, 49202720, 52014304, 56890645, 65017880, 91025032, 113781290, 130035760, 182050064, 227562580, 260071520, 364100128, 455125160, 910250320, 1820500640]

約数ペア:

[(1, 1820500640), (2, 910250320), (4, 455125160), (5, 364100128), (7, 260071520), (8, 227562580), (10, 182050064), (14, 130035760), (16, 113781290), (20, 91025032), (28, 65017880), (32, 56890645), (35, 52014304), (37, 49202720), (40, 45512516), (56, 32508940), (70, 26007152), (74, 24601360), (80, 22756258), (112, 16254470), (140, 13003576), (148, 12300680), (160, 11378129), (185, 9840544), (197, 9241120), (223, 8163680), (224, 8127235), (259, 7028960), (280, 6501788), (296, 6150340), (370, 4920272), (394, 4620560), (446, 4081840), (518, 3514480), (560, 3250894), (592, 3075170), (740, 2460136), (788, 2310280), (892, 2040920), (985, 1848224), (1036, 1757240), (1115, 1632736), (1120, 1625447), (1184, 1537585), (1295, 1405792), (1379, 1320160), (1480, 1230068), (1561, 1166240), (1576, 1155140), (1784, 1020460), (1970, 924112), (2072, 878620), (2230, 816368), (2590, 702896), (2758, 660080), (2960, 615034), (3122, 583120), (3152, 577570), (3568, 510230), (3940, 462056), (4144, 439310), (4460, 408184), (5180, 351448), (5516, 330040), (5920, 307517), (6244, 291560), (6304, 288785), (6895, 264032), (7136, 255115), (7289, 249760), (7805, 233248), (7880, 231028), (8251, 220640), (8288, 219655), (8920, 204092), (10360, 175724), (11032, 165020), (12488, 145780), (13790, 132016), (14578, 124880), (15610, 116624), (15760, 115514), (16502, 110320), (17840, 102046), (20720, 87862), (22064, 82510), (24976, 72890), (27580, 66008), (29156, 62440), (31220, 58312), (31520, 57757), (33004, 55160), (35680, 51023), (36445, 49952), (41255, 44128), (41440, 43931)]