26857560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:337

約数の個数: 128

約数和(自身を含む): 86676480

約数和(自身を除く): 59818920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 37, 40, 46, 60, 69, 74, 92, 111, 115, 120, 138, 148, 184, 185, 222, 230, 263, 276, 296, 345, 370, 444, 460, 526, 552, 555, 690, 740, 789, 851, 888, 920, 1052, 1110, 1315, 1380, 1480, 1578, 1702, 2104, 2220, 2553, 2630, 2760, 3156, 3404, 3945, 4255, 4440, 5106, 5260, 6049, 6312, 6808, 7890, 8510, 9731, 10212, 10520, 12098, 12765, 15780, 17020, 18147, 19462, 20424, 24196, 25530, 29193, 30245, 31560, 34040, 36294, 38924, 48392, 48655, 51060, 58386, 60490, 72588, 77848, 90735, 97310, 102120, 116772, 120980, 145176, 145965, 181470, 194620, 223813, 233544, 241960, 291930, 362940, 389240, 447626, 583860, 671439, 725880, 895252, 1119065, 1167720, 1342878, 1790504, 2238130, 2685756, 3357195, 4476260, 5371512, 6714390, 8952520, 13428780, 26857560]

約数ペア:

[(1, 26857560), (2, 13428780), (3, 8952520), (4, 6714390), (5, 5371512), (6, 4476260), (8, 3357195), (10, 2685756), (12, 2238130), (15, 1790504), (20, 1342878), (23, 1167720), (24, 1119065), (30, 895252), (37, 725880), (40, 671439), (46, 583860), (60, 447626), (69, 389240), (74, 362940), (92, 291930), (111, 241960), (115, 233544), (120, 223813), (138, 194620), (148, 181470), (184, 145965), (185, 145176), (222, 120980), (230, 116772), (263, 102120), (276, 97310), (296, 90735), (345, 77848), (370, 72588), (444, 60490), (460, 58386), (526, 51060), (552, 48655), (555, 48392), (690, 38924), (740, 36294), (789, 34040), (851, 31560), (888, 30245), (920, 29193), (1052, 25530), (1110, 24196), (1315, 20424), (1380, 19462), (1480, 18147), (1578, 17020), (1702, 15780), (2104, 12765), (2220, 12098), (2553, 10520), (2630, 10212), (2760, 9731), (3156, 8510), (3404, 7890), (3945, 6808), (4255, 6312), (4440, 6049), (5106, 5260)]