6720878960

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1\times {\mathrm{2999}}^1$

素因数の和:3378

約数の個数: 80

約数和(自身を含む): 15836040000

約数和(自身を除く): 9115161040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 257, 436, 514, 545, 872, 1028, 1090, 1285, 1744, 2056, 2180, 2570, 2999, 4112, 4360, 5140, 5998, 8720, 10280, 11996, 14995, 20560, 23992, 28013, 29990, 47984, 56026, 59980, 112052, 119960, 140065, 224104, 239920, 280130, 326891, 448208, 560260, 653782, 770743, 1120520, 1307564, 1541486, 1634455, 2241040, 2615128, 3082972, 3268910, 3853715, 5230256, 6165944, 6537820, 7707430, 12331888, 13075640, 15414860, 26151280, 30829720, 61659440, 84010987, 168021974, 336043948, 420054935, 672087896, 840109870, 1344175792, 1680219740, 3360439480, 6720878960]

約数ペア:

[(1, 6720878960), (2, 3360439480), (4, 1680219740), (5, 1344175792), (8, 840109870), (10, 672087896), (16, 420054935), (20, 336043948), (40, 168021974), (80, 84010987), (109, 61659440), (218, 30829720), (257, 26151280), (436, 15414860), (514, 13075640), (545, 12331888), (872, 7707430), (1028, 6537820), (1090, 6165944), (1285, 5230256), (1744, 3853715), (2056, 3268910), (2180, 3082972), (2570, 2615128), (2999, 2241040), (4112, 1634455), (4360, 1541486), (5140, 1307564), (5998, 1120520), (8720, 770743), (10280, 653782), (11996, 560260), (14995, 448208), (20560, 326891), (23992, 280130), (28013, 239920), (29990, 224104), (47984, 140065), (56026, 119960), (59980, 112052)]