121659440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2441}}^1$

素因数の和:2550

約数の個数: 80

約数和(自身を含む): 327032640

約数和(自身を除く): 205373200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 89, 112, 140, 178, 280, 356, 445, 560, 623, 712, 890, 1246, 1424, 1780, 2441, 2492, 3115, 3560, 4882, 4984, 6230, 7120, 9764, 9968, 12205, 12460, 17087, 19528, 24410, 24920, 34174, 39056, 48820, 49840, 68348, 85435, 97640, 136696, 170870, 195280, 217249, 273392, 341740, 434498, 683480, 868996, 1086245, 1366960, 1520743, 1737992, 2172490, 3041486, 3475984, 4344980, 6082972, 7603715, 8689960, 12165944, 15207430, 17379920, 24331888, 30414860, 60829720, 121659440]

約数ペア:

[(1, 121659440), (2, 60829720), (4, 30414860), (5, 24331888), (7, 17379920), (8, 15207430), (10, 12165944), (14, 8689960), (16, 7603715), (20, 6082972), (28, 4344980), (35, 3475984), (40, 3041486), (56, 2172490), (70, 1737992), (80, 1520743), (89, 1366960), (112, 1086245), (140, 868996), (178, 683480), (280, 434498), (356, 341740), (445, 273392), (560, 217249), (623, 195280), (712, 170870), (890, 136696), (1246, 97640), (1424, 85435), (1780, 68348), (2441, 49840), (2492, 48820), (3115, 39056), (3560, 34174), (4882, 24920), (4984, 24410), (6230, 19528), (7120, 17087), (9764, 12460), (9968, 12205)]