18307800

素因数分解:

$2^3\times 3^2\times 5^2\times 7^1\times {\mathrm{1453}}^1$

素因数の和:1482

約数の個数: 144

約数和(自身を含む): 70315440

約数和(自身を除く): 52007640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 50, 56, 60, 63, 70, 72, 75, 84, 90, 100, 105, 120, 126, 140, 150, 168, 175, 180, 200, 210, 225, 252, 280, 300, 315, 350, 360, 420, 450, 504, 525, 600, 630, 700, 840, 900, 1050, 1260, 1400, 1453, 1575, 1800, 2100, 2520, 2906, 3150, 4200, 4359, 5812, 6300, 7265, 8718, 10171, 11624, 12600, 13077, 14530, 17436, 20342, 21795, 26154, 29060, 30513, 34872, 36325, 40684, 43590, 50855, 52308, 58120, 61026, 65385, 72650, 81368, 87180, 91539, 101710, 104616, 108975, 122052, 130770, 145300, 152565, 174360, 183078, 203420, 217950, 244104, 254275, 261540, 290600, 305130, 326925, 366156, 406840, 435900, 457695, 508550, 523080, 610260, 653850, 732312, 762825, 871800, 915390, 1017100, 1220520, 1307700, 1525650, 1830780, 2034200, 2288475, 2615400, 3051300, 3661560, 4576950, 6102600, 9153900, 18307800]

約数ペア:

[(1, 18307800), (2, 9153900), (3, 6102600), (4, 4576950), (5, 3661560), (6, 3051300), (7, 2615400), (8, 2288475), (9, 2034200), (10, 1830780), (12, 1525650), (14, 1307700), (15, 1220520), (18, 1017100), (20, 915390), (21, 871800), (24, 762825), (25, 732312), (28, 653850), (30, 610260), (35, 523080), (36, 508550), (40, 457695), (42, 435900), (45, 406840), (50, 366156), (56, 326925), (60, 305130), (63, 290600), (70, 261540), (72, 254275), (75, 244104), (84, 217950), (90, 203420), (100, 183078), (105, 174360), (120, 152565), (126, 145300), (140, 130770), (150, 122052), (168, 108975), (175, 104616), (180, 101710), (200, 91539), (210, 87180), (225, 81368), (252, 72650), (280, 65385), (300, 61026), (315, 58120), (350, 52308), (360, 50855), (420, 43590), (450, 40684), (504, 36325), (525, 34872), (600, 30513), (630, 29060), (700, 26154), (840, 21795), (900, 20342), (1050, 17436), (1260, 14530), (1400, 13077), (1453, 12600), (1575, 11624), (1800, 10171), (2100, 8718), (2520, 7265), (2906, 6300), (3150, 5812), (4200, 4359)]