1920464880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{258127}}^1$

素因数の和:258174

約数の個数: 80

約数和(自身を含む): 6145511424

約数和(自身を除く): 4225046544

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, 258127, 516254, 774381, 1032508, 1290635, 1548762, 2065016, 2581270, 3097524, 3871905, 4130032, 5162540, 6195048, 7743810, 8001937, 10325080, 12390096, 15487620, 16003874, 20650160, 24005811, 30975240, 32007748, 40009685, 48011622, 61950480, 64015496, 80019370, 96023244, 120029055, 128030992, 160038740, 192046488, 240058110, 320077480, 384092976, 480116220, 640154960, 960232440, 1920464880]

約数ペア:

[(1, 1920464880), (2, 960232440), (3, 640154960), (4, 480116220), (5, 384092976), (6, 320077480), (8, 240058110), (10, 192046488), (12, 160038740), (15, 128030992), (16, 120029055), (20, 96023244), (24, 80019370), (30, 64015496), (31, 61950480), (40, 48011622), (48, 40009685), (60, 32007748), (62, 30975240), (80, 24005811), (93, 20650160), (120, 16003874), (124, 15487620), (155, 12390096), (186, 10325080), (240, 8001937), (248, 7743810), (310, 6195048), (372, 5162540), (465, 4130032), (496, 3871905), (620, 3097524), (744, 2581270), (930, 2065016), (1240, 1548762), (1488, 1290635), (1860, 1032508), (2480, 774381), (3720, 516254), (7440, 258127)]