144000640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{32143}}^1$

素因数の和:32169

約数の個数: 64

約数和(自身を含む): 393442560

約数和(自身を除く): 249441920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 32143, 64286, 128572, 160715, 225001, 257144, 321430, 450002, 514288, 642860, 900004, 1028576, 1125005, 1285720, 1800008, 2057152, 2250010, 2571440, 3600016, 4114304, 4500020, 5142880, 7200032, 9000040, 10285760, 14400064, 18000080, 20571520, 28800128, 36000160, 72000320, 144000640]

約数ペア:

[(1, 144000640), (2, 72000320), (4, 36000160), (5, 28800128), (7, 20571520), (8, 18000080), (10, 14400064), (14, 10285760), (16, 9000040), (20, 7200032), (28, 5142880), (32, 4500020), (35, 4114304), (40, 3600016), (56, 2571440), (64, 2250010), (70, 2057152), (80, 1800008), (112, 1285720), (128, 1125005), (140, 1028576), (160, 900004), (224, 642860), (280, 514288), (320, 450002), (448, 321430), (560, 257144), (640, 225001), (896, 160715), (1120, 128572), (2240, 64286), (4480, 32143)]