2051306520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1\times {\mathrm{1693}}^1$

素因数の和:2169

約数の個数: 128

約数和(自身を含む): 6439910400

約数和(自身を除く): 4388603880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 439, 460, 552, 690, 878, 920, 1317, 1380, 1693, 1756, 2195, 2634, 2760, 3386, 3512, 4390, 5079, 5268, 6585, 6772, 8465, 8780, 10097, 10158, 10536, 13170, 13544, 16930, 17560, 20194, 20316, 25395, 26340, 30291, 33860, 38939, 40388, 40632, 50485, 50790, 52680, 60582, 67720, 77878, 80776, 100970, 101580, 116817, 121164, 151455, 155756, 194695, 201940, 203160, 233634, 242328, 302910, 311512, 389390, 403880, 467268, 584085, 605820, 743227, 778780, 934536, 1168170, 1211640, 1486454, 1557560, 2229681, 2336340, 2972908, 3716135, 4459362, 4672680, 5945816, 7432270, 8918724, 11148405, 14864540, 17094221, 17837448, 22296810, 29729080, 34188442, 44593620, 51282663, 68376884, 85471105, 89187240, 102565326, 136753768, 170942210, 205130652, 256413315, 341884420, 410261304, 512826630, 683768840, 1025653260, 2051306520]

約数ペア:

[(1, 2051306520), (2, 1025653260), (3, 683768840), (4, 512826630), (5, 410261304), (6, 341884420), (8, 256413315), (10, 205130652), (12, 170942210), (15, 136753768), (20, 102565326), (23, 89187240), (24, 85471105), (30, 68376884), (40, 51282663), (46, 44593620), (60, 34188442), (69, 29729080), (92, 22296810), (115, 17837448), (120, 17094221), (138, 14864540), (184, 11148405), (230, 8918724), (276, 7432270), (345, 5945816), (439, 4672680), (460, 4459362), (552, 3716135), (690, 2972908), (878, 2336340), (920, 2229681), (1317, 1557560), (1380, 1486454), (1693, 1211640), (1756, 1168170), (2195, 934536), (2634, 778780), (2760, 743227), (3386, 605820), (3512, 584085), (4390, 467268), (5079, 403880), (5268, 389390), (6585, 311512), (6772, 302910), (8465, 242328), (8780, 233634), (10097, 203160), (10158, 201940), (10536, 194695), (13170, 155756), (13544, 151455), (16930, 121164), (17560, 116817), (20194, 101580), (20316, 100970), (25395, 80776), (26340, 77878), (30291, 67720), (33860, 60582), (38939, 52680), (40388, 50790), (40632, 50485)]