18885600

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:130

約数の個数: 216

約数和(自身を含む): 69261192

約数和(自身を除く): 50375592

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 43, 45, 48, 50, 60, 61, 72, 75, 80, 86, 90, 96, 100, 120, 122, 129, 144, 150, 160, 172, 180, 183, 200, 215, 225, 240, 244, 258, 288, 300, 305, 344, 360, 366, 387, 400, 430, 450, 480, 488, 516, 549, 600, 610, 645, 688, 720, 732, 774, 800, 860, 900, 915, 976, 1032, 1075, 1098, 1200, 1220, 1290, 1376, 1440, 1464, 1525, 1548, 1720, 1800, 1830, 1935, 1952, 2064, 2150, 2196, 2400, 2440, 2580, 2623, 2745, 2928, 3050, 3096, 3225, 3440, 3600, 3660, 3870, 4128, 4300, 4392, 4575, 4880, 5160, 5246, 5490, 5856, 6100, 6192, 6450, 6880, 7200, 7320, 7740, 7869, 8600, 8784, 9150, 9675, 9760, 10320, 10492, 10980, 12200, 12384, 12900, 13115, 13725, 14640, 15480, 15738, 17200, 17568, 18300, 19350, 20640, 20984, 21960, 23607, 24400, 25800, 26230, 27450, 29280, 30960, 31476, 34400, 36600, 38700, 39345, 41968, 43920, 47214, 48800, 51600, 52460, 54900, 61920, 62952, 65575, 73200, 77400, 78690, 83936, 87840, 94428, 103200, 104920, 109800, 118035, 125904, 131150, 146400, 154800, 157380, 188856, 196725, 209840, 219600, 236070, 251808, 262300, 309600, 314760, 377712, 393450, 419680, 439200, 472140, 524600, 590175, 629520, 755424, 786900, 944280, 1049200, 1180350, 1259040, 1573800, 1888560, 2098400, 2360700, 3147600, 3777120, 4721400, 6295200, 9442800, 18885600]

約数ペア:

[(1, 18885600), (2, 9442800), (3, 6295200), (4, 4721400), (5, 3777120), (6, 3147600), (8, 2360700), (9, 2098400), (10, 1888560), (12, 1573800), (15, 1259040), (16, 1180350), (18, 1049200), (20, 944280), (24, 786900), (25, 755424), (30, 629520), (32, 590175), (36, 524600), (40, 472140), (43, 439200), (45, 419680), (48, 393450), (50, 377712), (60, 314760), (61, 309600), (72, 262300), (75, 251808), (80, 236070), (86, 219600), (90, 209840), (96, 196725), (100, 188856), (120, 157380), (122, 154800), (129, 146400), (144, 131150), (150, 125904), (160, 118035), (172, 109800), (180, 104920), (183, 103200), (200, 94428), (215, 87840), (225, 83936), (240, 78690), (244, 77400), (258, 73200), (288, 65575), (300, 62952), (305, 61920), (344, 54900), (360, 52460), (366, 51600), (387, 48800), (400, 47214), (430, 43920), (450, 41968), (480, 39345), (488, 38700), (516, 36600), (549, 34400), (600, 31476), (610, 30960), (645, 29280), (688, 27450), (720, 26230), (732, 25800), (774, 24400), (800, 23607), (860, 21960), (900, 20984), (915, 20640), (976, 19350), (1032, 18300), (1075, 17568), (1098, 17200), (1200, 15738), (1220, 15480), (1290, 14640), (1376, 13725), (1440, 13115), (1464, 12900), (1525, 12384), (1548, 12200), (1720, 10980), (1800, 10492), (1830, 10320), (1935, 9760), (1952, 9675), (2064, 9150), (2150, 8784), (2196, 8600), (2400, 7869), (2440, 7740), (2580, 7320), (2623, 7200), (2745, 6880), (2928, 6450), (3050, 6192), (3096, 6100), (3225, 5856), (3440, 5490), (3600, 5246), (3660, 5160), (3870, 4880), (4128, 4575), (4300, 4392)]