2837120

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:74

約数の個数: 128

約数和(自身を含む): 8225280

約数和(自身を除く): 5388160

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 31, 32, 40, 44, 52, 55, 62, 64, 65, 80, 88, 104, 110, 124, 128, 130, 143, 155, 160, 176, 208, 220, 248, 260, 286, 310, 320, 341, 352, 403, 416, 440, 496, 520, 572, 620, 640, 682, 704, 715, 806, 832, 880, 992, 1040, 1144, 1240, 1364, 1408, 1430, 1612, 1664, 1705, 1760, 1984, 2015, 2080, 2288, 2480, 2728, 2860, 3224, 3410, 3520, 3968, 4030, 4160, 4433, 4576, 4960, 5456, 5720, 6448, 6820, 7040, 8060, 8320, 8866, 9152, 9920, 10912, 11440, 12896, 13640, 16120, 17732, 18304, 19840, 21824, 22165, 22880, 25792, 27280, 32240, 35464, 43648, 44330, 45760, 51584, 54560, 64480, 70928, 88660, 91520, 109120, 128960, 141856, 177320, 218240, 257920, 283712, 354640, 567424, 709280, 1418560, 2837120]

約数ペア:

[(1, 2837120), (2, 1418560), (4, 709280), (5, 567424), (8, 354640), (10, 283712), (11, 257920), (13, 218240), (16, 177320), (20, 141856), (22, 128960), (26, 109120), (31, 91520), (32, 88660), (40, 70928), (44, 64480), (52, 54560), (55, 51584), (62, 45760), (64, 44330), (65, 43648), (80, 35464), (88, 32240), (104, 27280), (110, 25792), (124, 22880), (128, 22165), (130, 21824), (143, 19840), (155, 18304), (160, 17732), (176, 16120), (208, 13640), (220, 12896), (248, 11440), (260, 10912), (286, 9920), (310, 9152), (320, 8866), (341, 8320), (352, 8060), (403, 7040), (416, 6820), (440, 6448), (496, 5720), (520, 5456), (572, 4960), (620, 4576), (640, 4433), (682, 4160), (704, 4030), (715, 3968), (806, 3520), (832, 3410), (880, 3224), (992, 2860), (1040, 2728), (1144, 2480), (1240, 2288), (1364, 2080), (1408, 2015), (1430, 1984), (1612, 1760), (1664, 1705)]