20686540080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{683}}^1\times {\mathrm{126199}}^1$

素因数の和:126898

約数の個数: 80

約数和(自身を含む): 64222675200

約数和(自身を除く): 43536135120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 683, 1366, 2049, 2732, 3415, 4098, 5464, 6830, 8196, 10245, 10928, 13660, 16392, 20490, 27320, 32784, 40980, 54640, 81960, 126199, 163920, 252398, 378597, 504796, 630995, 757194, 1009592, 1261990, 1514388, 1892985, 2019184, 2523980, 3028776, 3785970, 5047960, 6057552, 7571940, 10095920, 15143880, 30287760, 86193917, 172387834, 258581751, 344775668, 430969585, 517163502, 689551336, 861939170, 1034327004, 1292908755, 1379102672, 1723878340, 2068654008, 2585817510, 3447756680, 4137308016, 5171635020, 6895513360, 10343270040, 20686540080]

約数ペア:

[(1, 20686540080), (2, 10343270040), (3, 6895513360), (4, 5171635020), (5, 4137308016), (6, 3447756680), (8, 2585817510), (10, 2068654008), (12, 1723878340), (15, 1379102672), (16, 1292908755), (20, 1034327004), (24, 861939170), (30, 689551336), (40, 517163502), (48, 430969585), (60, 344775668), (80, 258581751), (120, 172387834), (240, 86193917), (683, 30287760), (1366, 15143880), (2049, 10095920), (2732, 7571940), (3415, 6057552), (4098, 5047960), (5464, 3785970), (6830, 3028776), (8196, 2523980), (10245, 2019184), (10928, 1892985), (13660, 1514388), (16392, 1261990), (20490, 1009592), (27320, 757194), (32784, 630995), (40980, 504796), (54640, 378597), (81960, 252398), (126199, 163920)]