18321000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:252

約数の個数: 128

約数和(自身を含む): 59304960

約数和(自身を除く): 40983960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 31, 40, 50, 60, 62, 75, 93, 100, 120, 124, 125, 150, 155, 186, 197, 200, 248, 250, 300, 310, 372, 375, 394, 465, 500, 591, 600, 620, 744, 750, 775, 788, 930, 985, 1000, 1182, 1240, 1500, 1550, 1576, 1860, 1970, 2325, 2364, 2955, 3000, 3100, 3720, 3875, 3940, 4650, 4728, 4925, 5910, 6107, 6200, 7750, 7880, 9300, 9850, 11625, 11820, 12214, 14775, 15500, 18321, 18600, 19700, 23250, 23640, 24428, 24625, 29550, 30535, 31000, 36642, 39400, 46500, 48856, 49250, 59100, 61070, 73284, 73875, 91605, 93000, 98500, 118200, 122140, 146568, 147750, 152675, 183210, 197000, 244280, 295500, 305350, 366420, 458025, 591000, 610700, 732840, 763375, 916050, 1221400, 1526750, 1832100, 2290125, 3053500, 3664200, 4580250, 6107000, 9160500, 18321000]

約数ペア:

[(1, 18321000), (2, 9160500), (3, 6107000), (4, 4580250), (5, 3664200), (6, 3053500), (8, 2290125), (10, 1832100), (12, 1526750), (15, 1221400), (20, 916050), (24, 763375), (25, 732840), (30, 610700), (31, 591000), (40, 458025), (50, 366420), (60, 305350), (62, 295500), (75, 244280), (93, 197000), (100, 183210), (120, 152675), (124, 147750), (125, 146568), (150, 122140), (155, 118200), (186, 98500), (197, 93000), (200, 91605), (248, 73875), (250, 73284), (300, 61070), (310, 59100), (372, 49250), (375, 48856), (394, 46500), (465, 39400), (500, 36642), (591, 31000), (600, 30535), (620, 29550), (744, 24625), (750, 24428), (775, 23640), (788, 23250), (930, 19700), (985, 18600), (1000, 18321), (1182, 15500), (1240, 14775), (1500, 12214), (1550, 11820), (1576, 11625), (1860, 9850), (1970, 9300), (2325, 7880), (2364, 7750), (2955, 6200), (3000, 6107), (3100, 5910), (3720, 4925), (3875, 4728), (3940, 4650)]