240000480

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{166667}}^1$

素因数の和:166688

約数の個数: 72

約数和(自身を含む): 819006552

約数和(自身を除く): 579006072

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 166667, 333334, 500001, 666668, 833335, 1000002, 1333336, 1500003, 1666670, 2000004, 2500005, 2666672, 3000006, 3333340, 4000008, 5000010, 5333344, 6000012, 6666680, 7500015, 8000016, 10000020, 12000024, 13333360, 15000030, 16000032, 20000040, 24000048, 26666720, 30000060, 40000080, 48000096, 60000120, 80000160, 120000240, 240000480]

約数ペア:

[(1, 240000480), (2, 120000240), (3, 80000160), (4, 60000120), (5, 48000096), (6, 40000080), (8, 30000060), (9, 26666720), (10, 24000048), (12, 20000040), (15, 16000032), (16, 15000030), (18, 13333360), (20, 12000024), (24, 10000020), (30, 8000016), (32, 7500015), (36, 6666680), (40, 6000012), (45, 5333344), (48, 5000010), (60, 4000008), (72, 3333340), (80, 3000006), (90, 2666672), (96, 2500005), (120, 2000004), (144, 1666670), (160, 1500003), (180, 1333336), (240, 1000002), (288, 833335), (360, 666668), (480, 500001), (720, 333334), (1440, 166667)]