81403812

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:175

約数の個数: 192

約数和(自身を含む): 258048000

約数和(自身を除く): 176644188

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 29, 36, 42, 47, 54, 58, 63, 79, 84, 87, 94, 108, 116, 126, 141, 158, 174, 188, 189, 203, 237, 252, 261, 282, 316, 329, 348, 378, 406, 423, 474, 522, 553, 564, 609, 658, 711, 756, 783, 812, 846, 948, 987, 1044, 1106, 1218, 1269, 1316, 1363, 1422, 1566, 1659, 1692, 1827, 1974, 2133, 2212, 2291, 2436, 2538, 2726, 2844, 2961, 3132, 3318, 3654, 3713, 3948, 4089, 4266, 4582, 4977, 5076, 5452, 5481, 5922, 6636, 6873, 7308, 7426, 8178, 8532, 8883, 9164, 9541, 9954, 10962, 11139, 11844, 12267, 13746, 14852, 14931, 16037, 16356, 17766, 19082, 19908, 20619, 21924, 22278, 24534, 25991, 27492, 28623, 29862, 32074, 33417, 35532, 36801, 38164, 41238, 44556, 48111, 49068, 51982, 57246, 59724, 61857, 64148, 66834, 73602, 77973, 82476, 85869, 96222, 100251, 103964, 107677, 114492, 123714, 133668, 144333, 147204, 155946, 171738, 192444, 200502, 215354, 233919, 247428, 257607, 288666, 311892, 323031, 343476, 401004, 430708, 432999, 467838, 515214, 577332, 646062, 701757, 753739, 865998, 935676, 969093, 1030428, 1292124, 1403514, 1507478, 1731996, 1938186, 2261217, 2807028, 2907279, 3014956, 3876372, 4522434, 5814558, 6783651, 9044868, 11629116, 13567302, 20350953, 27134604, 40701906, 81403812]

約数ペア:

[(1, 81403812), (2, 40701906), (3, 27134604), (4, 20350953), (6, 13567302), (7, 11629116), (9, 9044868), (12, 6783651), (14, 5814558), (18, 4522434), (21, 3876372), (27, 3014956), (28, 2907279), (29, 2807028), (36, 2261217), (42, 1938186), (47, 1731996), (54, 1507478), (58, 1403514), (63, 1292124), (79, 1030428), (84, 969093), (87, 935676), (94, 865998), (108, 753739), (116, 701757), (126, 646062), (141, 577332), (158, 515214), (174, 467838), (188, 432999), (189, 430708), (203, 401004), (237, 343476), (252, 323031), (261, 311892), (282, 288666), (316, 257607), (329, 247428), (348, 233919), (378, 215354), (406, 200502), (423, 192444), (474, 171738), (522, 155946), (553, 147204), (564, 144333), (609, 133668), (658, 123714), (711, 114492), (756, 107677), (783, 103964), (812, 100251), (846, 96222), (948, 85869), (987, 82476), (1044, 77973), (1106, 73602), (1218, 66834), (1269, 64148), (1316, 61857), (1363, 59724), (1422, 57246), (1566, 51982), (1659, 49068), (1692, 48111), (1827, 44556), (1974, 41238), (2133, 38164), (2212, 36801), (2291, 35532), (2436, 33417), (2538, 32074), (2726, 29862), (2844, 28623), (2961, 27492), (3132, 25991), (3318, 24534), (3654, 22278), (3713, 21924), (3948, 20619), (4089, 19908), (4266, 19082), (4582, 17766), (4977, 16356), (5076, 16037), (5452, 14931), (5481, 14852), (5922, 13746), (6636, 12267), (6873, 11844), (7308, 11139), (7426, 10962), (8178, 9954), (8532, 9541), (8883, 9164)]