257050512

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{647}}^1$

素因数の和:781

約数の個数: 120

約数和(自身を含む): 752094720

約数和(自身を除く): 495044208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 89, 93, 124, 144, 178, 186, 248, 267, 279, 356, 372, 496, 534, 558, 647, 712, 744, 801, 1068, 1116, 1294, 1424, 1488, 1602, 1941, 2136, 2232, 2588, 2759, 3204, 3882, 4272, 4464, 5176, 5518, 5823, 6408, 7764, 8277, 10352, 11036, 11646, 12816, 15528, 16554, 20057, 22072, 23292, 24831, 31056, 33108, 40114, 44144, 46584, 49662, 57583, 60171, 66216, 80228, 93168, 99324, 115166, 120342, 132432, 160456, 172749, 180513, 198648, 230332, 240684, 320912, 345498, 361026, 397296, 460664, 481368, 518247, 690996, 722052, 921328, 962736, 1036494, 1381992, 1444104, 1785073, 2072988, 2763984, 2888208, 3570146, 4145976, 5355219, 7140292, 8291952, 10710438, 14280584, 16065657, 21420876, 28561168, 32131314, 42841752, 64262628, 85683504, 128525256, 257050512]

約数ペア:

[(1, 257050512), (2, 128525256), (3, 85683504), (4, 64262628), (6, 42841752), (8, 32131314), (9, 28561168), (12, 21420876), (16, 16065657), (18, 14280584), (24, 10710438), (31, 8291952), (36, 7140292), (48, 5355219), (62, 4145976), (72, 3570146), (89, 2888208), (93, 2763984), (124, 2072988), (144, 1785073), (178, 1444104), (186, 1381992), (248, 1036494), (267, 962736), (279, 921328), (356, 722052), (372, 690996), (496, 518247), (534, 481368), (558, 460664), (647, 397296), (712, 361026), (744, 345498), (801, 320912), (1068, 240684), (1116, 230332), (1294, 198648), (1424, 180513), (1488, 172749), (1602, 160456), (1941, 132432), (2136, 120342), (2232, 115166), (2588, 99324), (2759, 93168), (3204, 80228), (3882, 66216), (4272, 60171), (4464, 57583), (5176, 49662), (5518, 46584), (5823, 44144), (6408, 40114), (7764, 33108), (8277, 31056), (10352, 24831), (11036, 23292), (11646, 22072), (12816, 20057), (15528, 16554)]