85669120

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:196

約数の個数: 144

約数和(自身を含む): 226050048

約数和(自身を除く): 140380928

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 127, 128, 136, 155, 160, 170, 248, 254, 256, 272, 310, 320, 340, 496, 508, 527, 544, 620, 635, 640, 680, 992, 1016, 1054, 1088, 1240, 1270, 1280, 1360, 1984, 2032, 2108, 2159, 2176, 2480, 2540, 2635, 2720, 3937, 3968, 4064, 4216, 4318, 4352, 4960, 5080, 5270, 5440, 7874, 7936, 8128, 8432, 8636, 9920, 10160, 10540, 10795, 10880, 15748, 16256, 16864, 17272, 19685, 19840, 20320, 21080, 21590, 21760, 31496, 32512, 33728, 34544, 39370, 39680, 40640, 42160, 43180, 62992, 66929, 67456, 69088, 78740, 81280, 84320, 86360, 125984, 133858, 134912, 138176, 157480, 162560, 168640, 172720, 251968, 267716, 276352, 314960, 334645, 337280, 345440, 503936, 535432, 552704, 629920, 669290, 674560, 690880, 1007872, 1070864, 1259840, 1338580, 1381760, 2141728, 2519680, 2677160, 2763520, 4283456, 5039360, 5354320, 8566912, 10708640, 17133824, 21417280, 42834560, 85669120]

約数ペア:

[(1, 85669120), (2, 42834560), (4, 21417280), (5, 17133824), (8, 10708640), (10, 8566912), (16, 5354320), (17, 5039360), (20, 4283456), (31, 2763520), (32, 2677160), (34, 2519680), (40, 2141728), (62, 1381760), (64, 1338580), (68, 1259840), (80, 1070864), (85, 1007872), (124, 690880), (127, 674560), (128, 669290), (136, 629920), (155, 552704), (160, 535432), (170, 503936), (248, 345440), (254, 337280), (256, 334645), (272, 314960), (310, 276352), (320, 267716), (340, 251968), (496, 172720), (508, 168640), (527, 162560), (544, 157480), (620, 138176), (635, 134912), (640, 133858), (680, 125984), (992, 86360), (1016, 84320), (1054, 81280), (1088, 78740), (1240, 69088), (1270, 67456), (1280, 66929), (1360, 62992), (1984, 43180), (2032, 42160), (2108, 40640), (2159, 39680), (2176, 39370), (2480, 34544), (2540, 33728), (2635, 32512), (2720, 31496), (3937, 21760), (3968, 21590), (4064, 21080), (4216, 20320), (4318, 19840), (4352, 19685), (4960, 17272), (5080, 16864), (5270, 16256), (5440, 15748), (7874, 10880), (7936, 10795), (8128, 10540), (8432, 10160), (8636, 9920)]