81635568

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{569}}^1$

素因数の和:655

約数の個数: 120

約数和(自身を含む): 249783120

約数和(自身を除く): 168147552

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 61, 84, 98, 112, 122, 147, 168, 183, 196, 244, 294, 336, 366, 392, 427, 488, 569, 588, 732, 784, 854, 976, 1138, 1176, 1281, 1464, 1707, 1708, 2276, 2352, 2562, 2928, 2989, 3414, 3416, 3983, 4552, 5124, 5978, 6828, 6832, 7966, 8967, 9104, 10248, 11949, 11956, 13656, 15932, 17934, 20496, 23898, 23912, 27312, 27881, 31864, 34709, 35868, 47796, 47824, 55762, 63728, 69418, 71736, 83643, 95592, 104127, 111524, 138836, 143472, 167286, 191184, 208254, 223048, 242963, 277672, 334572, 416508, 446096, 485926, 555344, 669144, 728889, 833016, 971852, 1338288, 1457778, 1666032, 1700741, 1943704, 2915556, 3401482, 3887408, 5102223, 5831112, 6802964, 10204446, 11662224, 13605928, 20408892, 27211856, 40817784, 81635568]

約数ペア:

[(1, 81635568), (2, 40817784), (3, 27211856), (4, 20408892), (6, 13605928), (7, 11662224), (8, 10204446), (12, 6802964), (14, 5831112), (16, 5102223), (21, 3887408), (24, 3401482), (28, 2915556), (42, 1943704), (48, 1700741), (49, 1666032), (56, 1457778), (61, 1338288), (84, 971852), (98, 833016), (112, 728889), (122, 669144), (147, 555344), (168, 485926), (183, 446096), (196, 416508), (244, 334572), (294, 277672), (336, 242963), (366, 223048), (392, 208254), (427, 191184), (488, 167286), (569, 143472), (588, 138836), (732, 111524), (784, 104127), (854, 95592), (976, 83643), (1138, 71736), (1176, 69418), (1281, 63728), (1464, 55762), (1707, 47824), (1708, 47796), (2276, 35868), (2352, 34709), (2562, 31864), (2928, 27881), (2989, 27312), (3414, 23912), (3416, 23898), (3983, 20496), (4552, 17934), (5124, 15932), (5978, 13656), (6828, 11956), (6832, 11949), (7966, 10248), (8967, 9104)]