31538611620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2872369}}^1$

素因数の和:2872445

約数の個数: 72

約数和(自身を含む): 97235469240

約数和(自身を除く): 65696857620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 2872369, 5744738, 8617107, 11489476, 14361845, 17234214, 25851321, 28723690, 34468428, 43085535, 51702642, 57447380, 86171070, 103405284, 129256605, 172342140, 175214509, 258513210, 350429018, 517026420, 525643527, 700858036, 876072545, 1051287054, 1576930581, 1752145090, 2102574108, 2628217635, 3153861162, 3504290180, 5256435270, 6307722324, 7884652905, 10512870540, 15769305810, 31538611620]

約数ペア:

[(1, 31538611620), (2, 15769305810), (3, 10512870540), (4, 7884652905), (5, 6307722324), (6, 5256435270), (9, 3504290180), (10, 3153861162), (12, 2628217635), (15, 2102574108), (18, 1752145090), (20, 1576930581), (30, 1051287054), (36, 876072545), (45, 700858036), (60, 525643527), (61, 517026420), (90, 350429018), (122, 258513210), (180, 175214509), (183, 172342140), (244, 129256605), (305, 103405284), (366, 86171070), (549, 57447380), (610, 51702642), (732, 43085535), (915, 34468428), (1098, 28723690), (1220, 25851321), (1830, 17234214), (2196, 14361845), (2745, 11489476), (3660, 8617107), (5490, 5744738), (10980, 2872369)]