131983020

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2089}}^1$

素因数の和:2126

約数の個数: 144

約数和(自身を含む): 447326880

約数和(自身を除く): 315343860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 243, 260, 270, 324, 351, 390, 405, 468, 486, 540, 585, 702, 780, 810, 972, 1053, 1170, 1215, 1404, 1620, 1755, 2089, 2106, 2340, 2430, 3159, 3510, 4178, 4212, 4860, 5265, 6267, 6318, 7020, 8356, 10445, 10530, 12534, 12636, 15795, 18801, 20890, 21060, 25068, 27157, 31335, 31590, 37602, 41780, 54314, 56403, 62670, 63180, 75204, 81471, 94005, 108628, 112806, 125340, 135785, 162942, 169209, 188010, 225612, 244413, 271570, 282015, 325884, 338418, 376020, 407355, 488826, 507627, 543140, 564030, 676836, 733239, 814710, 846045, 977652, 1015254, 1128060, 1222065, 1466478, 1629420, 1692090, 2030508, 2199717, 2444130, 2538135, 2932956, 3384180, 3666195, 4399434, 4888260, 5076270, 6599151, 7332390, 8798868, 10152540, 10998585, 13198302, 14664780, 21997170, 26396604, 32995755, 43994340, 65991510, 131983020]

約数ペア:

[(1, 131983020), (2, 65991510), (3, 43994340), (4, 32995755), (5, 26396604), (6, 21997170), (9, 14664780), (10, 13198302), (12, 10998585), (13, 10152540), (15, 8798868), (18, 7332390), (20, 6599151), (26, 5076270), (27, 4888260), (30, 4399434), (36, 3666195), (39, 3384180), (45, 2932956), (52, 2538135), (54, 2444130), (60, 2199717), (65, 2030508), (78, 1692090), (81, 1629420), (90, 1466478), (108, 1222065), (117, 1128060), (130, 1015254), (135, 977652), (156, 846045), (162, 814710), (180, 733239), (195, 676836), (234, 564030), (243, 543140), (260, 507627), (270, 488826), (324, 407355), (351, 376020), (390, 338418), (405, 325884), (468, 282015), (486, 271570), (540, 244413), (585, 225612), (702, 188010), (780, 169209), (810, 162942), (972, 135785), (1053, 125340), (1170, 112806), (1215, 108628), (1404, 94005), (1620, 81471), (1755, 75204), (2089, 63180), (2106, 62670), (2340, 56403), (2430, 54314), (3159, 41780), (3510, 37602), (4178, 31590), (4212, 31335), (4860, 27157), (5265, 25068), (6267, 21060), (6318, 20890), (7020, 18801), (8356, 15795), (10445, 12636), (10530, 12534)]