81844560

素因数分解:

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

素因数の和:5442

約数の個数: 160

約数和(自身を含む): 322241280

約数和(自身を除く): 240396720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 5413, 7560, 10826, 15120, 16239, 21652, 27065, 32478, 37891, 43304, 48717, 54130, 64956, 75782, 81195, 86608, 97434, 108260, 113673, 129912, 146151, 151564, 162390, 189455, 194868, 216520, 227346, 243585, 259824, 292302, 303128, 324780, 341019, 378910, 389736, 433040, 454692, 487170, 568365, 584604, 606256, 649560, 682038, 730755, 757820, 779472, 909384, 974340, 1023057, 1136730, 1169208, 1299120, 1364076, 1461510, 1515640, 1705095, 1818768, 1948680, 2046114, 2273460, 2338416, 2728152, 2923020, 3031280, 3410190, 3897360, 4092228, 4546920, 5115285, 5456304, 5846040, 6820380, 8184456, 9093840, 10230570, 11692080, 13640760, 16368912, 20461140, 27281520, 40922280, 81844560]

約数ペア:

[(1, 81844560), (2, 40922280), (3, 27281520), (4, 20461140), (5, 16368912), (6, 13640760), (7, 11692080), (8, 10230570), (9, 9093840), (10, 8184456), (12, 6820380), (14, 5846040), (15, 5456304), (16, 5115285), (18, 4546920), (20, 4092228), (21, 3897360), (24, 3410190), (27, 3031280), (28, 2923020), (30, 2728152), (35, 2338416), (36, 2273460), (40, 2046114), (42, 1948680), (45, 1818768), (48, 1705095), (54, 1515640), (56, 1461510), (60, 1364076), (63, 1299120), (70, 1169208), (72, 1136730), (80, 1023057), (84, 974340), (90, 909384), (105, 779472), (108, 757820), (112, 730755), (120, 682038), (126, 649560), (135, 606256), (140, 584604), (144, 568365), (168, 487170), (180, 454692), (189, 433040), (210, 389736), (216, 378910), (240, 341019), (252, 324780), (270, 303128), (280, 292302), (315, 259824), (336, 243585), (360, 227346), (378, 216520), (420, 194868), (432, 189455), (504, 162390), (540, 151564), (560, 146151), (630, 129912), (720, 113673), (756, 108260), (840, 97434), (945, 86608), (1008, 81195), (1080, 75782), (1260, 64956), (1512, 54130), (1680, 48717), (1890, 43304), (2160, 37891), (2520, 32478), (3024, 27065), (3780, 21652), (5040, 16239), (5413, 15120), (7560, 10826)]