255513240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1097}}^1$

素因数の和:1761

約数の個数: 96

約数和(自身を含む): 832459680

約数和(自身を除く): 576946440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 647, 1097, 1294, 1941, 2194, 2588, 3235, 3291, 3882, 4388, 5176, 5485, 5823, 6470, 6582, 7764, 8776, 9705, 9873, 10970, 11646, 12940, 13164, 15528, 16455, 19410, 19746, 21940, 23292, 25880, 26328, 29115, 32910, 38820, 39492, 43880, 46584, 49365, 58230, 65820, 77640, 78984, 98730, 116460, 131640, 197460, 232920, 394920, 709759, 1419518, 2129277, 2839036, 3548795, 4258554, 5678072, 6387831, 7097590, 8517108, 10646385, 12775662, 14195180, 17034216, 21292770, 25551324, 28390360, 31939155, 42585540, 51102648, 63878310, 85171080, 127756620, 255513240]

約数ペア:

[(1, 255513240), (2, 127756620), (3, 85171080), (4, 63878310), (5, 51102648), (6, 42585540), (8, 31939155), (9, 28390360), (10, 25551324), (12, 21292770), (15, 17034216), (18, 14195180), (20, 12775662), (24, 10646385), (30, 8517108), (36, 7097590), (40, 6387831), (45, 5678072), (60, 4258554), (72, 3548795), (90, 2839036), (120, 2129277), (180, 1419518), (360, 709759), (647, 394920), (1097, 232920), (1294, 197460), (1941, 131640), (2194, 116460), (2588, 98730), (3235, 78984), (3291, 77640), (3882, 65820), (4388, 58230), (5176, 49365), (5485, 46584), (5823, 43880), (6470, 39492), (6582, 38820), (7764, 32910), (8776, 29115), (9705, 26328), (9873, 25880), (10970, 23292), (11646, 21940), (12940, 19746), (13164, 19410), (15528, 16455)]