66254720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1$

素因数の和:692

約数の個数: 128

約数和(自身を含む): 189181440

約数和(自身を除く): 122926720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 128, 140, 160, 161, 184, 224, 230, 280, 320, 322, 368, 448, 460, 560, 640, 643, 644, 736, 805, 896, 920, 1120, 1286, 1288, 1472, 1610, 1840, 2240, 2572, 2576, 2944, 3215, 3220, 3680, 4480, 4501, 5144, 5152, 6430, 6440, 7360, 9002, 10288, 10304, 12860, 12880, 14720, 14789, 18004, 20576, 20608, 22505, 25720, 25760, 29578, 36008, 41152, 45010, 51440, 51520, 59156, 72016, 73945, 82304, 90020, 102880, 103040, 103523, 118312, 144032, 147890, 180040, 205760, 207046, 236624, 288064, 295780, 360080, 411520, 414092, 473248, 517615, 576128, 591560, 720160, 828184, 946496, 1035230, 1183120, 1440320, 1656368, 1892992, 2070460, 2366240, 2880640, 3312736, 4140920, 4732480, 6625472, 8281840, 9464960, 13250944, 16563680, 33127360, 66254720]

約数ペア:

[(1, 66254720), (2, 33127360), (4, 16563680), (5, 13250944), (7, 9464960), (8, 8281840), (10, 6625472), (14, 4732480), (16, 4140920), (20, 3312736), (23, 2880640), (28, 2366240), (32, 2070460), (35, 1892992), (40, 1656368), (46, 1440320), (56, 1183120), (64, 1035230), (70, 946496), (80, 828184), (92, 720160), (112, 591560), (115, 576128), (128, 517615), (140, 473248), (160, 414092), (161, 411520), (184, 360080), (224, 295780), (230, 288064), (280, 236624), (320, 207046), (322, 205760), (368, 180040), (448, 147890), (460, 144032), (560, 118312), (640, 103523), (643, 103040), (644, 102880), (736, 90020), (805, 82304), (896, 73945), (920, 72016), (1120, 59156), (1286, 51520), (1288, 51440), (1472, 45010), (1610, 41152), (1840, 36008), (2240, 29578), (2572, 25760), (2576, 25720), (2944, 22505), (3215, 20608), (3220, 20576), (3680, 18004), (4480, 14789), (4501, 14720), (5144, 12880), (5152, 12860), (6430, 10304), (6440, 10288), (7360, 9002)]