128927240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{6701}}^1$

素因数の和:6762

約数の個数: 64

約数和(自身を含む): 320891760

約数和(自身を除く): 191964520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1480, 1924, 2405, 3848, 4810, 6701, 9620, 13402, 19240, 26804, 33505, 53608, 67010, 87113, 134020, 174226, 247937, 268040, 348452, 435565, 495874, 696904, 871130, 991748, 1239685, 1742260, 1983496, 2479370, 3223181, 3484520, 4958740, 6446362, 9917480, 12892724, 16115905, 25785448, 32231810, 64463620, 128927240]

約数ペア:

[(1, 128927240), (2, 64463620), (4, 32231810), (5, 25785448), (8, 16115905), (10, 12892724), (13, 9917480), (20, 6446362), (26, 4958740), (37, 3484520), (40, 3223181), (52, 2479370), (65, 1983496), (74, 1742260), (104, 1239685), (130, 991748), (148, 871130), (185, 696904), (260, 495874), (296, 435565), (370, 348452), (481, 268040), (520, 247937), (740, 174226), (962, 134020), (1480, 87113), (1924, 67010), (2405, 53608), (3848, 33505), (4810, 26804), (6701, 19240), (9620, 13402)]