640961557124

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{151}}^1\times {\mathrm{15083}}^1$

素因数の和:15310

約数の個数: 144

約数和(自身を含む): 1420048788480

約数和(自身を除く): 779087231356

約数列:

[1, 2, 4, 7, 14, 19, 23, 28, 38, 46, 76, 92, 133, 151, 161, 266, 302, 322, 437, 529, 532, 604, 644, 874, 1057, 1058, 1748, 2114, 2116, 2869, 3059, 3473, 3703, 4228, 5738, 6118, 6946, 7406, 10051, 11476, 12236, 13892, 14812, 15083, 20083, 20102, 24311, 30166, 40166, 40204, 48622, 60332, 65987, 70357, 79879, 80332, 97244, 105581, 131974, 140714, 159758, 211162, 263948, 281428, 286577, 319516, 346909, 422324, 461909, 559153, 573154, 693818, 923818, 1118306, 1146308, 1387636, 1517701, 1847636, 2006039, 2236612, 2277533, 2428363, 3035402, 4012078, 4555066, 4856726, 6070804, 6591271, 7978907, 8024156, 9110132, 9713452, 10623907, 13182542, 15942731, 15957814, 21247814, 26365084, 31885462, 31915628, 42495628, 43273127, 46138897, 52383259, 55852349, 63770924, 86546254, 92277794, 104766518, 111704698, 151599233, 173092508, 184555588, 209533036, 223409396, 302911889, 303198466, 366682813, 605823778, 606396932, 733365626, 995281921, 1061194631, 1204814957, 1211647556, 1466731252, 1990563842, 2122389262, 2409629914, 3981127684, 4244778524, 4819259828, 6966973447, 8433704699, 13933946894, 16867409398, 22891484183, 27867893788, 33734818796, 45782968366, 91565936732, 160240389281, 320480778562, 640961557124]

約数ペア:

[(1, 640961557124), (2, 320480778562), (4, 160240389281), (7, 91565936732), (14, 45782968366), (19, 33734818796), (23, 27867893788), (28, 22891484183), (38, 16867409398), (46, 13933946894), (76, 8433704699), (92, 6966973447), (133, 4819259828), (151, 4244778524), (161, 3981127684), (266, 2409629914), (302, 2122389262), (322, 1990563842), (437, 1466731252), (529, 1211647556), (532, 1204814957), (604, 1061194631), (644, 995281921), (874, 733365626), (1057, 606396932), (1058, 605823778), (1748, 366682813), (2114, 303198466), (2116, 302911889), (2869, 223409396), (3059, 209533036), (3473, 184555588), (3703, 173092508), (4228, 151599233), (5738, 111704698), (6118, 104766518), (6946, 92277794), (7406, 86546254), (10051, 63770924), (11476, 55852349), (12236, 52383259), (13892, 46138897), (14812, 43273127), (15083, 42495628), (20083, 31915628), (20102, 31885462), (24311, 26365084), (30166, 21247814), (40166, 15957814), (40204, 15942731), (48622, 13182542), (60332, 10623907), (65987, 9713452), (70357, 9110132), (79879, 8024156), (80332, 7978907), (97244, 6591271), (105581, 6070804), (131974, 4856726), (140714, 4555066), (159758, 4012078), (211162, 3035402), (263948, 2428363), (281428, 2277533), (286577, 2236612), (319516, 2006039), (346909, 1847636), (422324, 1517701), (461909, 1387636), (559153, 1146308), (573154, 1118306), (693818, 923818)]