820410864

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{187823}}^1$

素因数の和:187854

約数の個数: 80

約数和(自身を含む): 2608499712

約数和(自身を除く): 1788088848

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 78, 84, 91, 104, 112, 156, 168, 182, 208, 273, 312, 336, 364, 546, 624, 728, 1092, 1456, 2184, 4368, 187823, 375646, 563469, 751292, 1126938, 1314761, 1502584, 2253876, 2441699, 2629522, 3005168, 3944283, 4507752, 4883398, 5259044, 7325097, 7888566, 9015504, 9766796, 10518088, 14650194, 15777132, 17091893, 19533592, 21036176, 29300388, 31554264, 34183786, 39067184, 51275679, 58600776, 63108528, 68367572, 102551358, 117201552, 136735144, 205102716, 273470288, 410205432, 820410864]

約数ペア:

[(1, 820410864), (2, 410205432), (3, 273470288), (4, 205102716), (6, 136735144), (7, 117201552), (8, 102551358), (12, 68367572), (13, 63108528), (14, 58600776), (16, 51275679), (21, 39067184), (24, 34183786), (26, 31554264), (28, 29300388), (39, 21036176), (42, 19533592), (48, 17091893), (52, 15777132), (56, 14650194), (78, 10518088), (84, 9766796), (91, 9015504), (104, 7888566), (112, 7325097), (156, 5259044), (168, 4883398), (182, 4507752), (208, 3944283), (273, 3005168), (312, 2629522), (336, 2441699), (364, 2253876), (546, 1502584), (624, 1314761), (728, 1126938), (1092, 751292), (1456, 563469), (2184, 375646), (4368, 187823)]