131577660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{487}}^1$

素因数の和:600

約数の個数: 144

約数和(自身を含む): 426316800

約数和(自身を除く): 294739140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 79, 90, 95, 114, 158, 171, 180, 190, 228, 237, 285, 316, 342, 380, 395, 474, 487, 570, 684, 711, 790, 855, 948, 974, 1140, 1185, 1422, 1461, 1501, 1580, 1710, 1948, 2370, 2435, 2844, 2922, 3002, 3420, 3555, 4383, 4503, 4740, 4870, 5844, 6004, 7110, 7305, 7505, 8766, 9006, 9253, 9740, 13509, 14220, 14610, 15010, 17532, 18012, 18506, 21915, 22515, 27018, 27759, 29220, 30020, 37012, 38473, 43830, 45030, 46265, 54036, 55518, 67545, 76946, 83277, 87660, 90060, 92530, 111036, 115419, 135090, 138795, 153892, 166554, 185060, 192365, 230838, 270180, 277590, 333108, 346257, 384730, 416385, 461676, 555180, 577095, 692514, 730987, 769460, 832770, 1154190, 1385028, 1461974, 1665540, 1731285, 2192961, 2308380, 2923948, 3462570, 3654935, 4385922, 6578883, 6925140, 7309870, 8771844, 10964805, 13157766, 14619740, 21929610, 26315532, 32894415, 43859220, 65788830, 131577660]

約数ペア:

[(1, 131577660), (2, 65788830), (3, 43859220), (4, 32894415), (5, 26315532), (6, 21929610), (9, 14619740), (10, 13157766), (12, 10964805), (15, 8771844), (18, 7309870), (19, 6925140), (20, 6578883), (30, 4385922), (36, 3654935), (38, 3462570), (45, 2923948), (57, 2308380), (60, 2192961), (76, 1731285), (79, 1665540), (90, 1461974), (95, 1385028), (114, 1154190), (158, 832770), (171, 769460), (180, 730987), (190, 692514), (228, 577095), (237, 555180), (285, 461676), (316, 416385), (342, 384730), (380, 346257), (395, 333108), (474, 277590), (487, 270180), (570, 230838), (684, 192365), (711, 185060), (790, 166554), (855, 153892), (948, 138795), (974, 135090), (1140, 115419), (1185, 111036), (1422, 92530), (1461, 90060), (1501, 87660), (1580, 83277), (1710, 76946), (1948, 67545), (2370, 55518), (2435, 54036), (2844, 46265), (2922, 45030), (3002, 43830), (3420, 38473), (3555, 37012), (4383, 30020), (4503, 29220), (4740, 27759), (4870, 27018), (5844, 22515), (6004, 21915), (7110, 18506), (7305, 18012), (7505, 17532), (8766, 15010), (9006, 14610), (9253, 14220), (9740, 13509)]