27281520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{5413}}^1$

素因数の和:5439

約数の個数: 120

約数和(自身を含む): 104728416

約数和(自身を除く): 77446896

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 5413, 10826, 16239, 21652, 27065, 32478, 37891, 43304, 48717, 54130, 64956, 75782, 81195, 86608, 97434, 108260, 113673, 129912, 151564, 162390, 189455, 194868, 216520, 227346, 243585, 259824, 303128, 324780, 341019, 378910, 389736, 433040, 454692, 487170, 568365, 606256, 649560, 682038, 757820, 779472, 909384, 974340, 1136730, 1299120, 1364076, 1515640, 1705095, 1818768, 1948680, 2273460, 2728152, 3031280, 3410190, 3897360, 4546920, 5456304, 6820380, 9093840, 13640760, 27281520]

約数ペア:

[(1, 27281520), (2, 13640760), (3, 9093840), (4, 6820380), (5, 5456304), (6, 4546920), (7, 3897360), (8, 3410190), (9, 3031280), (10, 2728152), (12, 2273460), (14, 1948680), (15, 1818768), (16, 1705095), (18, 1515640), (20, 1364076), (21, 1299120), (24, 1136730), (28, 974340), (30, 909384), (35, 779472), (36, 757820), (40, 682038), (42, 649560), (45, 606256), (48, 568365), (56, 487170), (60, 454692), (63, 433040), (70, 389736), (72, 378910), (80, 341019), (84, 324780), (90, 303128), (105, 259824), (112, 243585), (120, 227346), (126, 216520), (140, 194868), (144, 189455), (168, 162390), (180, 151564), (210, 129912), (240, 113673), (252, 108260), (280, 97434), (315, 86608), (336, 81195), (360, 75782), (420, 64956), (504, 54130), (560, 48717), (630, 43304), (720, 37891), (840, 32478), (1008, 27065), (1260, 21652), (1680, 16239), (2520, 10826), (5040, 5413)]