2021553440

素因数分解:

$2^5\times 5^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1\times {\mathrm{367}}^1$

素因数の和:754

約数の個数: 96

約数和(自身を含む): 4840819200

約数和(自身を除く): 2819265760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 173, 199, 346, 367, 398, 692, 734, 796, 865, 995, 1384, 1468, 1592, 1730, 1835, 1990, 2768, 2936, 3184, 3460, 3670, 3980, 5536, 5872, 6368, 6920, 7340, 7960, 11744, 13840, 14680, 15920, 27680, 29360, 31840, 34427, 58720, 63491, 68854, 73033, 126982, 137708, 146066, 172135, 253964, 275416, 292132, 317455, 344270, 365165, 507928, 550832, 584264, 634910, 688540, 730330, 1015856, 1101664, 1168528, 1269820, 1377080, 1460660, 2031712, 2337056, 2539640, 2754160, 2921320, 5079280, 5508320, 5842640, 10158560, 11685280, 12634709, 25269418, 50538836, 63173545, 101077672, 126347090, 202155344, 252694180, 404310688, 505388360, 1010776720, 2021553440]

約数ペア:

[(1, 2021553440), (2, 1010776720), (4, 505388360), (5, 404310688), (8, 252694180), (10, 202155344), (16, 126347090), (20, 101077672), (32, 63173545), (40, 50538836), (80, 25269418), (160, 12634709), (173, 11685280), (199, 10158560), (346, 5842640), (367, 5508320), (398, 5079280), (692, 2921320), (734, 2754160), (796, 2539640), (865, 2337056), (995, 2031712), (1384, 1460660), (1468, 1377080), (1592, 1269820), (1730, 1168528), (1835, 1101664), (1990, 1015856), (2768, 730330), (2936, 688540), (3184, 634910), (3460, 584264), (3670, 550832), (3980, 507928), (5536, 365165), (5872, 344270), (6368, 317455), (6920, 292132), (7340, 275416), (7960, 253964), (11744, 172135), (13840, 146066), (14680, 137708), (15920, 126982), (27680, 73033), (29360, 68854), (31840, 63491), (34427, 58720)]