85222720

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:141

約数の個数: 168

約数和(自身を含む): 233501184

約数和(自身を除く): 148278464

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 71, 80, 88, 110, 121, 124, 142, 155, 160, 176, 220, 242, 248, 284, 310, 320, 341, 352, 355, 440, 484, 496, 568, 605, 620, 682, 704, 710, 781, 880, 968, 992, 1136, 1210, 1240, 1364, 1420, 1562, 1705, 1760, 1936, 1984, 2201, 2272, 2420, 2480, 2728, 2840, 3124, 3410, 3520, 3751, 3872, 3905, 4402, 4544, 4840, 4960, 5456, 5680, 6248, 6820, 7502, 7744, 7810, 8591, 8804, 9680, 9920, 10912, 11005, 11360, 12496, 13640, 15004, 15620, 17182, 17608, 18755, 19360, 21824, 22010, 22720, 24211, 24992, 27280, 30008, 31240, 34364, 35216, 37510, 38720, 42955, 44020, 48422, 49984, 54560, 60016, 62480, 68728, 70432, 75020, 85910, 88040, 96844, 109120, 120032, 121055, 124960, 137456, 140864, 150040, 171820, 176080, 193688, 240064, 242110, 249920, 266321, 274912, 300080, 343640, 352160, 387376, 484220, 532642, 549824, 600160, 687280, 704320, 774752, 968440, 1065284, 1200320, 1331605, 1374560, 1549504, 1936880, 2130568, 2663210, 2749120, 3873760, 4261136, 5326420, 7747520, 8522272, 10652840, 17044544, 21305680, 42611360, 85222720]

約数ペア:

[(1, 85222720), (2, 42611360), (4, 21305680), (5, 17044544), (8, 10652840), (10, 8522272), (11, 7747520), (16, 5326420), (20, 4261136), (22, 3873760), (31, 2749120), (32, 2663210), (40, 2130568), (44, 1936880), (55, 1549504), (62, 1374560), (64, 1331605), (71, 1200320), (80, 1065284), (88, 968440), (110, 774752), (121, 704320), (124, 687280), (142, 600160), (155, 549824), (160, 532642), (176, 484220), (220, 387376), (242, 352160), (248, 343640), (284, 300080), (310, 274912), (320, 266321), (341, 249920), (352, 242110), (355, 240064), (440, 193688), (484, 176080), (496, 171820), (568, 150040), (605, 140864), (620, 137456), (682, 124960), (704, 121055), (710, 120032), (781, 109120), (880, 96844), (968, 88040), (992, 85910), (1136, 75020), (1210, 70432), (1240, 68728), (1364, 62480), (1420, 60016), (1562, 54560), (1705, 49984), (1760, 48422), (1936, 44020), (1984, 42955), (2201, 38720), (2272, 37510), (2420, 35216), (2480, 34364), (2728, 31240), (2840, 30008), (3124, 27280), (3410, 24992), (3520, 24211), (3751, 22720), (3872, 22010), (3905, 21824), (4402, 19360), (4544, 18755), (4840, 17608), (4960, 17182), (5456, 15620), (5680, 15004), (6248, 13640), (6820, 12496), (7502, 11360), (7744, 11005), (7810, 10912), (8591, 9920), (8804, 9680)]