19662991740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{23609}}^1$

素因数の和:24292

約数の個数: 144

約数和(自身を含む): 68271053760

約数和(自身を除く): 48608062020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 661, 1260, 1322, 1983, 2644, 3305, 3966, 4627, 5949, 6610, 7932, 9254, 9915, 11898, 13220, 13881, 18508, 19830, 23135, 23609, 23796, 27762, 29745, 39660, 41643, 46270, 47218, 55524, 59490, 69405, 70827, 83286, 92540, 94436, 118045, 118980, 138810, 141654, 165263, 166572, 208215, 212481, 236090, 277620, 283308, 330526, 354135, 416430, 424962, 472180, 495789, 661052, 708270, 826315, 832860, 849924, 991578, 1062405, 1416540, 1487367, 1652630, 1983156, 2124810, 2478945, 2974734, 3305260, 4249620, 4957890, 5949468, 7436835, 9915780, 14873670, 15605549, 29747340, 31211098, 46816647, 62422196, 78027745, 93633294, 109238843, 140449941, 156055490, 187266588, 218477686, 234083235, 280899882, 312110980, 327716529, 436955372, 468166470, 546194215, 561799764, 655433058, 702249705, 936332940, 983149587, 1092388430, 1310866116, 1404499410, 1638582645, 1966299174, 2184776860, 2808998820, 3277165290, 3932598348, 4915747935, 6554330580, 9831495870, 19662991740]

約数ペア:

[(1, 19662991740), (2, 9831495870), (3, 6554330580), (4, 4915747935), (5, 3932598348), (6, 3277165290), (7, 2808998820), (9, 2184776860), (10, 1966299174), (12, 1638582645), (14, 1404499410), (15, 1310866116), (18, 1092388430), (20, 983149587), (21, 936332940), (28, 702249705), (30, 655433058), (35, 561799764), (36, 546194215), (42, 468166470), (45, 436955372), (60, 327716529), (63, 312110980), (70, 280899882), (84, 234083235), (90, 218477686), (105, 187266588), (126, 156055490), (140, 140449941), (180, 109238843), (210, 93633294), (252, 78027745), (315, 62422196), (420, 46816647), (630, 31211098), (661, 29747340), (1260, 15605549), (1322, 14873670), (1983, 9915780), (2644, 7436835), (3305, 5949468), (3966, 4957890), (4627, 4249620), (5949, 3305260), (6610, 2974734), (7932, 2478945), (9254, 2124810), (9915, 1983156), (11898, 1652630), (13220, 1487367), (13881, 1416540), (18508, 1062405), (19830, 991578), (23135, 849924), (23609, 832860), (23796, 826315), (27762, 708270), (29745, 661052), (39660, 495789), (41643, 472180), (46270, 424962), (47218, 416430), (55524, 354135), (59490, 330526), (69405, 283308), (70827, 277620), (83286, 236090), (92540, 212481), (94436, 208215), (118045, 166572), (118980, 165263), (138810, 141654)]