201256020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{757}}^1$

素因数の和:990

約数の個数: 144

約数和(自身を含む): 701920128

約数和(自身を除く): 500664108

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 211, 252, 315, 420, 422, 630, 633, 757, 844, 1055, 1260, 1266, 1477, 1514, 1899, 2110, 2271, 2532, 2954, 3028, 3165, 3785, 3798, 4220, 4431, 4542, 5299, 5908, 6330, 6813, 7385, 7570, 7596, 8862, 9084, 9495, 10598, 11355, 12660, 13293, 13626, 14770, 15140, 15897, 17724, 18990, 21196, 22155, 22710, 26495, 26586, 27252, 29540, 31794, 34065, 37980, 44310, 45420, 47691, 52990, 53172, 63588, 66465, 68130, 79485, 88620, 95382, 105980, 132930, 136260, 158970, 159727, 190764, 238455, 265860, 317940, 319454, 476910, 479181, 638908, 798635, 953820, 958362, 1118089, 1437543, 1597270, 1916724, 2236178, 2395905, 2875086, 3194540, 3354267, 4472356, 4791810, 5590445, 5750172, 6708534, 7187715, 9583620, 10062801, 11180890, 13417068, 14375430, 16771335, 20125602, 22361780, 28750860, 33542670, 40251204, 50314005, 67085340, 100628010, 201256020]

約数ペア:

[(1, 201256020), (2, 100628010), (3, 67085340), (4, 50314005), (5, 40251204), (6, 33542670), (7, 28750860), (9, 22361780), (10, 20125602), (12, 16771335), (14, 14375430), (15, 13417068), (18, 11180890), (20, 10062801), (21, 9583620), (28, 7187715), (30, 6708534), (35, 5750172), (36, 5590445), (42, 4791810), (45, 4472356), (60, 3354267), (63, 3194540), (70, 2875086), (84, 2395905), (90, 2236178), (105, 1916724), (126, 1597270), (140, 1437543), (180, 1118089), (210, 958362), (211, 953820), (252, 798635), (315, 638908), (420, 479181), (422, 476910), (630, 319454), (633, 317940), (757, 265860), (844, 238455), (1055, 190764), (1260, 159727), (1266, 158970), (1477, 136260), (1514, 132930), (1899, 105980), (2110, 95382), (2271, 88620), (2532, 79485), (2954, 68130), (3028, 66465), (3165, 63588), (3785, 53172), (3798, 52990), (4220, 47691), (4431, 45420), (4542, 44310), (5299, 37980), (5908, 34065), (6330, 31794), (6813, 29540), (7385, 27252), (7570, 26586), (7596, 26495), (8862, 22710), (9084, 22155), (9495, 21196), (10598, 18990), (11355, 17724), (12660, 15897), (13293, 15140), (13626, 14770)]