2008807440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{270001}}^1$

素因数の和:270048

約数の個数: 80

約数和(自身を含む): 6428207616

約数和(自身を除く): 4419400176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 270001, 540002, 810003, 1080004, 1350005, 1620006, 2160008, 2700010, 3240012, 4050015, 4320016, 5400020, 6480024, 8100030, 8370031, 10800040, 12960048, 16200060, 16740062, 21600080, 25110093, 32400120, 33480124, 41850155, 50220186, 64800240, 66960248, 83700310, 100440372, 125550465, 133920496, 167400620, 200880744, 251100930, 334801240, 401761488, 502201860, 669602480, 1004403720, 2008807440]

約数ペア:

[(1, 2008807440), (2, 1004403720), (3, 669602480), (4, 502201860), (5, 401761488), (6, 334801240), (8, 251100930), (10, 200880744), (12, 167400620), (15, 133920496), (16, 125550465), (20, 100440372), (24, 83700310), (30, 66960248), (31, 64800240), (40, 50220186), (48, 41850155), (60, 33480124), (62, 32400120), (80, 25110093), (93, 21600080), (120, 16740062), (124, 16200060), (155, 12960048), (186, 10800040), (240, 8370031), (248, 8100030), (310, 6480024), (372, 5400020), (465, 4320016), (496, 4050015), (620, 3240012), (744, 2700010), (930, 2160008), (1240, 1620006), (1488, 1350005), (1860, 1080004), (2480, 810003), (3720, 540002), (7440, 270001)]