671107840

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1301}}^1$

素因数の和:1366

約数の個数: 144

約数和(自身を含む): 1788385536

約数和(自身を除く): 1117277696

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 403, 416, 496, 520, 620, 640, 806, 832, 992, 1040, 1240, 1280, 1301, 1612, 1664, 1984, 2015, 2080, 2480, 2602, 3224, 3328, 3968, 4030, 4160, 4960, 5204, 6448, 6505, 7936, 8060, 8320, 9920, 10408, 12896, 13010, 16120, 16640, 16913, 19840, 20816, 25792, 26020, 32240, 33826, 39680, 40331, 41632, 51584, 52040, 64480, 67652, 80662, 83264, 84565, 103168, 104080, 128960, 135304, 161324, 166528, 169130, 201655, 208160, 257920, 270608, 322648, 333056, 338260, 403310, 416320, 515840, 524303, 541216, 645296, 676520, 806620, 832640, 1048606, 1082432, 1290592, 1353040, 1613240, 1665280, 2097212, 2164864, 2581184, 2621515, 2706080, 3226480, 4194424, 4329728, 5162368, 5243030, 5412160, 6452960, 8388848, 10324736, 10486060, 10824320, 12905920, 16777696, 20972120, 21648640, 25811840, 33555392, 41944240, 51623680, 67110784, 83888480, 134221568, 167776960, 335553920, 671107840]

約数ペア:

[(1, 671107840), (2, 335553920), (4, 167776960), (5, 134221568), (8, 83888480), (10, 67110784), (13, 51623680), (16, 41944240), (20, 33555392), (26, 25811840), (31, 21648640), (32, 20972120), (40, 16777696), (52, 12905920), (62, 10824320), (64, 10486060), (65, 10324736), (80, 8388848), (104, 6452960), (124, 5412160), (128, 5243030), (130, 5162368), (155, 4329728), (160, 4194424), (208, 3226480), (248, 2706080), (256, 2621515), (260, 2581184), (310, 2164864), (320, 2097212), (403, 1665280), (416, 1613240), (496, 1353040), (520, 1290592), (620, 1082432), (640, 1048606), (806, 832640), (832, 806620), (992, 676520), (1040, 645296), (1240, 541216), (1280, 524303), (1301, 515840), (1612, 416320), (1664, 403310), (1984, 338260), (2015, 333056), (2080, 322648), (2480, 270608), (2602, 257920), (3224, 208160), (3328, 201655), (3968, 169130), (4030, 166528), (4160, 161324), (4960, 135304), (5204, 128960), (6448, 104080), (6505, 103168), (7936, 84565), (8060, 83264), (8320, 80662), (9920, 67652), (10408, 64480), (12896, 52040), (13010, 51584), (16120, 41632), (16640, 40331), (16913, 39680), (19840, 33826), (20816, 32240), (25792, 26020)]