2015527720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:443

約数の個数: 128

約数和(自身を含む): 4847040000

約数和(自身を除く): 2831512280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 101, 109, 115, 184, 199, 202, 218, 230, 398, 404, 436, 460, 505, 545, 796, 808, 872, 920, 995, 1010, 1090, 1592, 1990, 2020, 2180, 2323, 2507, 3980, 4040, 4360, 4577, 4646, 5014, 7960, 9154, 9292, 10028, 11009, 11615, 12535, 18308, 18584, 20056, 20099, 21691, 22018, 22885, 23230, 25070, 36616, 40198, 43382, 44036, 45770, 46460, 50140, 55045, 80396, 86764, 88072, 91540, 92920, 100280, 100495, 108455, 110090, 160792, 173528, 183080, 200990, 216910, 220180, 253207, 401980, 433820, 440360, 462277, 498893, 506414, 803960, 867640, 924554, 997786, 1012828, 1266035, 1849108, 1995572, 2025656, 2190791, 2311385, 2494465, 2532070, 3698216, 3991144, 4381582, 4622770, 4988930, 5064140, 8763164, 9245540, 9977860, 10128280, 10953955, 17526328, 18491080, 19955720, 21907910, 43815820, 50388193, 87631640, 100776386, 201552772, 251940965, 403105544, 503881930, 1007763860, 2015527720]

約数ペア:

[(1, 2015527720), (2, 1007763860), (4, 503881930), (5, 403105544), (8, 251940965), (10, 201552772), (20, 100776386), (23, 87631640), (40, 50388193), (46, 43815820), (92, 21907910), (101, 19955720), (109, 18491080), (115, 17526328), (184, 10953955), (199, 10128280), (202, 9977860), (218, 9245540), (230, 8763164), (398, 5064140), (404, 4988930), (436, 4622770), (460, 4381582), (505, 3991144), (545, 3698216), (796, 2532070), (808, 2494465), (872, 2311385), (920, 2190791), (995, 2025656), (1010, 1995572), (1090, 1849108), (1592, 1266035), (1990, 1012828), (2020, 997786), (2180, 924554), (2323, 867640), (2507, 803960), (3980, 506414), (4040, 498893), (4360, 462277), (4577, 440360), (4646, 433820), (5014, 401980), (7960, 253207), (9154, 220180), (9292, 216910), (10028, 200990), (11009, 183080), (11615, 173528), (12535, 160792), (18308, 110090), (18584, 108455), (20056, 100495), (20099, 100280), (21691, 92920), (22018, 91540), (22885, 88072), (23230, 86764), (25070, 80396), (36616, 55045), (40198, 50140), (43382, 46460), (44036, 45770)]