81563664

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:365

約数の個数: 160

約数和(自身を含む): 263983104

約数和(自身を除く): 182419440

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 71, 78, 84, 91, 104, 112, 142, 156, 168, 182, 208, 213, 263, 273, 284, 312, 336, 364, 426, 497, 526, 546, 568, 624, 728, 789, 852, 923, 994, 1052, 1092, 1136, 1456, 1491, 1578, 1704, 1841, 1846, 1988, 2104, 2184, 2769, 2982, 3156, 3408, 3419, 3682, 3692, 3976, 4208, 4368, 5523, 5538, 5964, 6312, 6461, 6838, 7364, 7384, 7952, 10257, 11046, 11076, 11928, 12624, 12922, 13676, 14728, 14768, 18673, 19383, 20514, 22092, 22152, 23856, 23933, 25844, 27352, 29456, 37346, 38766, 41028, 44184, 44304, 47866, 51688, 54704, 56019, 71799, 74692, 77532, 82056, 88368, 95732, 103376, 112038, 130711, 143598, 149384, 155064, 164112, 191464, 224076, 242749, 261422, 287196, 298768, 310128, 382928, 392133, 448152, 485498, 522844, 574392, 728247, 784266, 896304, 970996, 1045688, 1148784, 1456494, 1568532, 1699243, 1941992, 2091376, 2912988, 3137064, 3398486, 3883984, 5097729, 5825976, 6274128, 6796972, 10195458, 11651952, 13593944, 20390916, 27187888, 40781832, 81563664]

約数ペア:

[(1, 81563664), (2, 40781832), (3, 27187888), (4, 20390916), (6, 13593944), (7, 11651952), (8, 10195458), (12, 6796972), (13, 6274128), (14, 5825976), (16, 5097729), (21, 3883984), (24, 3398486), (26, 3137064), (28, 2912988), (39, 2091376), (42, 1941992), (48, 1699243), (52, 1568532), (56, 1456494), (71, 1148784), (78, 1045688), (84, 970996), (91, 896304), (104, 784266), (112, 728247), (142, 574392), (156, 522844), (168, 485498), (182, 448152), (208, 392133), (213, 382928), (263, 310128), (273, 298768), (284, 287196), (312, 261422), (336, 242749), (364, 224076), (426, 191464), (497, 164112), (526, 155064), (546, 149384), (568, 143598), (624, 130711), (728, 112038), (789, 103376), (852, 95732), (923, 88368), (994, 82056), (1052, 77532), (1092, 74692), (1136, 71799), (1456, 56019), (1491, 54704), (1578, 51688), (1704, 47866), (1841, 44304), (1846, 44184), (1988, 41028), (2104, 38766), (2184, 37346), (2769, 29456), (2982, 27352), (3156, 25844), (3408, 23933), (3419, 23856), (3682, 22152), (3692, 22092), (3976, 20514), (4208, 19383), (4368, 18673), (5523, 14768), (5538, 14728), (5964, 13676), (6312, 12922), (6461, 12624), (6838, 11928), (7364, 11076), (7384, 11046), (7952, 10257)]