205509168

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2423}}^1$

素因数の和:2487

約数の個数: 120

約数和(自身を含む): 625198080

約数和(自身を除く): 419688912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 31, 36, 38, 48, 57, 62, 72, 76, 93, 114, 124, 144, 152, 171, 186, 228, 248, 279, 304, 342, 372, 456, 496, 558, 589, 684, 744, 912, 1116, 1178, 1368, 1488, 1767, 2232, 2356, 2423, 2736, 3534, 4464, 4712, 4846, 5301, 7068, 7269, 9424, 9692, 10602, 14136, 14538, 19384, 21204, 21807, 28272, 29076, 38768, 42408, 43614, 46037, 58152, 75113, 84816, 87228, 92074, 116304, 138111, 150226, 174456, 184148, 225339, 276222, 300452, 348912, 368296, 414333, 450678, 552444, 600904, 676017, 736592, 828666, 901356, 1104888, 1201808, 1352034, 1427147, 1657332, 1802712, 2209776, 2704068, 2854294, 3314664, 3605424, 4281441, 5408136, 5708588, 6629328, 8562882, 10816272, 11417176, 12844323, 17125764, 22834352, 25688646, 34251528, 51377292, 68503056, 102754584, 205509168]

約数ペア:

[(1, 205509168), (2, 102754584), (3, 68503056), (4, 51377292), (6, 34251528), (8, 25688646), (9, 22834352), (12, 17125764), (16, 12844323), (18, 11417176), (19, 10816272), (24, 8562882), (31, 6629328), (36, 5708588), (38, 5408136), (48, 4281441), (57, 3605424), (62, 3314664), (72, 2854294), (76, 2704068), (93, 2209776), (114, 1802712), (124, 1657332), (144, 1427147), (152, 1352034), (171, 1201808), (186, 1104888), (228, 901356), (248, 828666), (279, 736592), (304, 676017), (342, 600904), (372, 552444), (456, 450678), (496, 414333), (558, 368296), (589, 348912), (684, 300452), (744, 276222), (912, 225339), (1116, 184148), (1178, 174456), (1368, 150226), (1488, 138111), (1767, 116304), (2232, 92074), (2356, 87228), (2423, 84816), (2736, 75113), (3534, 58152), (4464, 46037), (4712, 43614), (4846, 42408), (5301, 38768), (7068, 29076), (7269, 28272), (9424, 21807), (9692, 21204), (10602, 19384), (14136, 14538)]