56121840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3389}}^1$

素因数の和:3431

約数の個数: 120

約数和(自身を含む): 196728480

約数和(自身を除く): 140606640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 690, 720, 828, 920, 1035, 1104, 1380, 1656, 1840, 2070, 2760, 3312, 3389, 4140, 5520, 6778, 8280, 10167, 13556, 16560, 16945, 20334, 27112, 30501, 33890, 40668, 50835, 54224, 61002, 67780, 77947, 81336, 101670, 122004, 135560, 152505, 155894, 162672, 203340, 233841, 244008, 271120, 305010, 311788, 389735, 406680, 467682, 488016, 610020, 623576, 701523, 779470, 813360, 935364, 1169205, 1220040, 1247152, 1403046, 1558940, 1870728, 2338410, 2440080, 2806092, 3117880, 3507615, 3741456, 4676820, 5612184, 6235760, 7015230, 9353640, 11224368, 14030460, 18707280, 28060920, 56121840]

約数ペア:

[(1, 56121840), (2, 28060920), (3, 18707280), (4, 14030460), (5, 11224368), (6, 9353640), (8, 7015230), (9, 6235760), (10, 5612184), (12, 4676820), (15, 3741456), (16, 3507615), (18, 3117880), (20, 2806092), (23, 2440080), (24, 2338410), (30, 1870728), (36, 1558940), (40, 1403046), (45, 1247152), (46, 1220040), (48, 1169205), (60, 935364), (69, 813360), (72, 779470), (80, 701523), (90, 623576), (92, 610020), (115, 488016), (120, 467682), (138, 406680), (144, 389735), (180, 311788), (184, 305010), (207, 271120), (230, 244008), (240, 233841), (276, 203340), (345, 162672), (360, 155894), (368, 152505), (414, 135560), (460, 122004), (552, 101670), (690, 81336), (720, 77947), (828, 67780), (920, 61002), (1035, 54224), (1104, 50835), (1380, 40668), (1656, 33890), (1840, 30501), (2070, 27112), (2760, 20334), (3312, 16945), (3389, 16560), (4140, 13556), (5520, 10167), (6778, 8280)]