1985940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1$

素因数の和:102

約数の個数: 144

約数和(自身を含む): 7076160

約数和(自身を除く): 5090220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 17, 18, 20, 22, 30, 33, 34, 36, 44, 45, 51, 55, 59, 60, 66, 68, 85, 90, 99, 102, 110, 118, 132, 153, 165, 170, 177, 180, 187, 198, 204, 220, 236, 255, 295, 306, 330, 340, 354, 374, 396, 495, 510, 531, 561, 590, 612, 649, 660, 708, 748, 765, 885, 935, 990, 1003, 1020, 1062, 1122, 1180, 1298, 1530, 1683, 1770, 1870, 1947, 1980, 2006, 2124, 2244, 2596, 2655, 2805, 3009, 3060, 3245, 3366, 3540, 3740, 3894, 4012, 5015, 5310, 5610, 5841, 6018, 6490, 6732, 7788, 8415, 9027, 9735, 10030, 10620, 11033, 11220, 11682, 12036, 12980, 15045, 16830, 18054, 19470, 20060, 22066, 23364, 29205, 30090, 33099, 33660, 36108, 38940, 44132, 45135, 55165, 58410, 60180, 66198, 90270, 99297, 110330, 116820, 132396, 165495, 180540, 198594, 220660, 330990, 397188, 496485, 661980, 992970, 1985940]

約数ペア:

[(1, 1985940), (2, 992970), (3, 661980), (4, 496485), (5, 397188), (6, 330990), (9, 220660), (10, 198594), (11, 180540), (12, 165495), (15, 132396), (17, 116820), (18, 110330), (20, 99297), (22, 90270), (30, 66198), (33, 60180), (34, 58410), (36, 55165), (44, 45135), (45, 44132), (51, 38940), (55, 36108), (59, 33660), (60, 33099), (66, 30090), (68, 29205), (85, 23364), (90, 22066), (99, 20060), (102, 19470), (110, 18054), (118, 16830), (132, 15045), (153, 12980), (165, 12036), (170, 11682), (177, 11220), (180, 11033), (187, 10620), (198, 10030), (204, 9735), (220, 9027), (236, 8415), (255, 7788), (295, 6732), (306, 6490), (330, 6018), (340, 5841), (354, 5610), (374, 5310), (396, 5015), (495, 4012), (510, 3894), (531, 3740), (561, 3540), (590, 3366), (612, 3245), (649, 3060), (660, 3009), (708, 2805), (748, 2655), (765, 2596), (885, 2244), (935, 2124), (990, 2006), (1003, 1980), (1020, 1947), (1062, 1870), (1122, 1770), (1180, 1683), (1298, 1530)]