20255400

素因数分解:

$2^3\times 3^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1$

素因数の和:78

約数の個数: 288

約数和(自身を含む): 79161600

約数和(自身を除く): 58906200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 25, 27, 30, 31, 33, 36, 40, 44, 45, 50, 54, 55, 60, 62, 66, 72, 75, 88, 90, 93, 99, 100, 108, 110, 120, 121, 124, 132, 135, 150, 155, 165, 180, 186, 198, 200, 216, 220, 225, 242, 248, 264, 270, 275, 279, 297, 300, 310, 330, 341, 360, 363, 372, 396, 440, 450, 465, 484, 495, 540, 550, 558, 594, 600, 605, 620, 660, 675, 682, 726, 744, 775, 792, 825, 837, 900, 930, 968, 990, 1023, 1080, 1089, 1100, 1116, 1188, 1210, 1240, 1320, 1350, 1364, 1395, 1452, 1485, 1550, 1650, 1674, 1705, 1800, 1815, 1860, 1980, 2046, 2178, 2200, 2232, 2325, 2376, 2420, 2475, 2700, 2728, 2790, 2904, 2970, 3025, 3069, 3100, 3267, 3300, 3348, 3410, 3630, 3720, 3751, 3960, 4092, 4185, 4356, 4650, 4840, 4950, 5115, 5400, 5445, 5580, 5940, 6050, 6138, 6200, 6534, 6600, 6696, 6820, 6975, 7260, 7425, 7502, 8184, 8370, 8525, 8712, 9075, 9207, 9300, 9900, 10230, 10890, 11160, 11253, 11880, 12100, 12276, 13068, 13640, 13950, 14520, 14850, 15004, 15345, 16335, 16740, 17050, 18150, 18414, 18600, 18755, 19800, 20460, 20925, 21780, 22506, 24200, 24552, 25575, 26136, 27225, 27900, 29700, 30008, 30690, 32670, 33480, 33759, 34100, 36300, 36828, 37510, 40920, 41850, 43560, 45012, 46035, 51150, 54450, 55800, 56265, 59400, 61380, 65340, 67518, 68200, 72600, 73656, 75020, 76725, 81675, 83700, 90024, 92070, 93775, 101277, 102300, 108900, 112530, 122760, 130680, 135036, 150040, 153450, 163350, 167400, 168795, 184140, 187550, 202554, 204600, 217800, 225060, 230175, 270072, 281325, 306900, 326700, 337590, 368280, 375100, 405108, 450120, 460350, 506385, 562650, 613800, 653400, 675180, 750200, 810216, 843975, 920700, 1012770, 1125300, 1350360, 1687950, 1841400, 2025540, 2250600, 2531925, 3375900, 4051080, 5063850, 6751800, 10127700, 20255400]

約数ペア:

[(1, 20255400), (2, 10127700), (3, 6751800), (4, 5063850), (5, 4051080), (6, 3375900), (8, 2531925), (9, 2250600), (10, 2025540), (11, 1841400), (12, 1687950), (15, 1350360), (18, 1125300), (20, 1012770), (22, 920700), (24, 843975), (25, 810216), (27, 750200), (30, 675180), (31, 653400), (33, 613800), (36, 562650), (40, 506385), (44, 460350), (45, 450120), (50, 405108), (54, 375100), (55, 368280), (60, 337590), (62, 326700), (66, 306900), (72, 281325), (75, 270072), (88, 230175), (90, 225060), (93, 217800), (99, 204600), (100, 202554), (108, 187550), (110, 184140), (120, 168795), (121, 167400), (124, 163350), (132, 153450), (135, 150040), (150, 135036), (155, 130680), (165, 122760), (180, 112530), (186, 108900), (198, 102300), (200, 101277), (216, 93775), (220, 92070), (225, 90024), (242, 83700), (248, 81675), (264, 76725), (270, 75020), (275, 73656), (279, 72600), (297, 68200), (300, 67518), (310, 65340), (330, 61380), (341, 59400), (360, 56265), (363, 55800), (372, 54450), (396, 51150), (440, 46035), (450, 45012), (465, 43560), (484, 41850), (495, 40920), (540, 37510), (550, 36828), (558, 36300), (594, 34100), (600, 33759), (605, 33480), (620, 32670), (660, 30690), (675, 30008), (682, 29700), (726, 27900), (744, 27225), (775, 26136), (792, 25575), (825, 24552), (837, 24200), (900, 22506), (930, 21780), (968, 20925), (990, 20460), (1023, 19800), (1080, 18755), (1089, 18600), (1100, 18414), (1116, 18150), (1188, 17050), (1210, 16740), (1240, 16335), (1320, 15345), (1350, 15004), (1364, 14850), (1395, 14520), (1452, 13950), (1485, 13640), (1550, 13068), (1650, 12276), (1674, 12100), (1705, 11880), (1800, 11253), (1815, 11160), (1860, 10890), (1980, 10230), (2046, 9900), (2178, 9300), (2200, 9207), (2232, 9075), (2325, 8712), (2376, 8525), (2420, 8370), (2475, 8184), (2700, 7502), (2728, 7425), (2790, 7260), (2904, 6975), (2970, 6820), (3025, 6696), (3069, 6600), (3100, 6534), (3267, 6200), (3300, 6138), (3348, 6050), (3410, 5940), (3630, 5580), (3720, 5445), (3751, 5400), (3960, 5115), (4092, 4950), (4185, 4840), (4356, 4650)]