80865876

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:254

約数の個数: 144

約数和(自身を含む): 241315200

約数和(自身を除く): 160449324

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 71, 78, 84, 91, 98, 142, 147, 149, 156, 182, 196, 213, 273, 284, 294, 298, 364, 426, 447, 497, 546, 588, 596, 637, 852, 894, 923, 994, 1043, 1092, 1274, 1491, 1788, 1846, 1911, 1937, 1988, 2086, 2548, 2769, 2982, 3129, 3479, 3692, 3822, 3874, 4172, 5538, 5811, 5964, 6258, 6461, 6958, 7301, 7644, 7748, 10437, 10579, 11076, 11622, 12516, 12922, 13559, 13916, 14602, 19383, 20874, 21158, 21903, 23244, 25844, 27118, 29204, 31737, 38766, 40677, 41748, 42316, 43806, 45227, 54236, 63474, 74053, 77532, 81354, 87612, 90454, 94913, 126948, 135681, 137527, 148106, 162708, 180908, 189826, 222159, 271362, 275054, 284739, 296212, 379652, 412581, 444318, 518371, 542724, 550108, 569478, 825162, 888636, 962689, 1036742, 1138956, 1555113, 1650324, 1925378, 2073484, 2888067, 3110226, 3850756, 5776134, 6220452, 6738823, 11552268, 13477646, 20216469, 26955292, 40432938, 80865876]

約数ペア:

[(1, 80865876), (2, 40432938), (3, 26955292), (4, 20216469), (6, 13477646), (7, 11552268), (12, 6738823), (13, 6220452), (14, 5776134), (21, 3850756), (26, 3110226), (28, 2888067), (39, 2073484), (42, 1925378), (49, 1650324), (52, 1555113), (71, 1138956), (78, 1036742), (84, 962689), (91, 888636), (98, 825162), (142, 569478), (147, 550108), (149, 542724), (156, 518371), (182, 444318), (196, 412581), (213, 379652), (273, 296212), (284, 284739), (294, 275054), (298, 271362), (364, 222159), (426, 189826), (447, 180908), (497, 162708), (546, 148106), (588, 137527), (596, 135681), (637, 126948), (852, 94913), (894, 90454), (923, 87612), (994, 81354), (1043, 77532), (1092, 74053), (1274, 63474), (1491, 54236), (1788, 45227), (1846, 43806), (1911, 42316), (1937, 41748), (1988, 40677), (2086, 38766), (2548, 31737), (2769, 29204), (2982, 27118), (3129, 25844), (3479, 23244), (3692, 21903), (3822, 21158), (3874, 20874), (4172, 19383), (5538, 14602), (5811, 13916), (5964, 13559), (6258, 12922), (6461, 12516), (6958, 11622), (7301, 11076), (7644, 10579), (7748, 10437)]