1990846440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{8521}}^1$

素因数の和:8608

約数の個数: 192

約数和(自身を含む): 7178932800

約数和(自身を除く): 5188086360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 59, 60, 66, 72, 88, 90, 99, 110, 118, 120, 132, 165, 177, 180, 198, 220, 236, 264, 295, 330, 354, 360, 396, 440, 472, 495, 531, 590, 649, 660, 708, 792, 885, 990, 1062, 1180, 1298, 1320, 1416, 1770, 1947, 1980, 2124, 2360, 2596, 2655, 3245, 3540, 3894, 3960, 4248, 5192, 5310, 5841, 6490, 7080, 7788, 8521, 9735, 10620, 11682, 12980, 15576, 17042, 19470, 21240, 23364, 25563, 25960, 29205, 34084, 38940, 42605, 46728, 51126, 58410, 68168, 76689, 77880, 85210, 93731, 102252, 116820, 127815, 153378, 170420, 187462, 204504, 233640, 255630, 281193, 306756, 340840, 374924, 383445, 468655, 502739, 511260, 562386, 613512, 749848, 766890, 843579, 937310, 1005478, 1022520, 1124772, 1405965, 1508217, 1533780, 1687158, 1874620, 2010956, 2249544, 2513695, 2811930, 3016434, 3067560, 3374316, 3749240, 4021912, 4217895, 4524651, 5027390, 5530129, 5623860, 6032868, 6748632, 7541085, 8435790, 9049302, 10054780, 11060258, 11247720, 12065736, 15082170, 16590387, 16871580, 18098604, 20109560, 22120516, 22623255, 27650645, 30164340, 33180774, 33743160, 36197208, 44241032, 45246510, 49771161, 55301290, 60328680, 66361548, 82951935, 90493020, 99542322, 110602580, 132723096, 165903870, 180986040, 199084644, 221205160, 248855805, 331807740, 398169288, 497711610, 663615480, 995423220, 1990846440]

約数ペア:

[(1, 1990846440), (2, 995423220), (3, 663615480), (4, 497711610), (5, 398169288), (6, 331807740), (8, 248855805), (9, 221205160), (10, 199084644), (11, 180986040), (12, 165903870), (15, 132723096), (18, 110602580), (20, 99542322), (22, 90493020), (24, 82951935), (30, 66361548), (33, 60328680), (36, 55301290), (40, 49771161), (44, 45246510), (45, 44241032), (55, 36197208), (59, 33743160), (60, 33180774), (66, 30164340), (72, 27650645), (88, 22623255), (90, 22120516), (99, 20109560), (110, 18098604), (118, 16871580), (120, 16590387), (132, 15082170), (165, 12065736), (177, 11247720), (180, 11060258), (198, 10054780), (220, 9049302), (236, 8435790), (264, 7541085), (295, 6748632), (330, 6032868), (354, 5623860), (360, 5530129), (396, 5027390), (440, 4524651), (472, 4217895), (495, 4021912), (531, 3749240), (590, 3374316), (649, 3067560), (660, 3016434), (708, 2811930), (792, 2513695), (885, 2249544), (990, 2010956), (1062, 1874620), (1180, 1687158), (1298, 1533780), (1320, 1508217), (1416, 1405965), (1770, 1124772), (1947, 1022520), (1980, 1005478), (2124, 937310), (2360, 843579), (2596, 766890), (2655, 749848), (3245, 613512), (3540, 562386), (3894, 511260), (3960, 502739), (4248, 468655), (5192, 383445), (5310, 374924), (5841, 340840), (6490, 306756), (7080, 281193), (7788, 255630), (8521, 233640), (9735, 204504), (10620, 187462), (11682, 170420), (12980, 153378), (15576, 127815), (17042, 116820), (19470, 102252), (21240, 93731), (23364, 85210), (25563, 77880), (25960, 76689), (29205, 68168), (34084, 58410), (38940, 51126), (42605, 46728)]