18979200

素因数分解:

$2^7\times 3^2\times 5^2\times {\mathrm{659}}^1$

素因数の和:689

約数の個数: 144

約数和(自身を含む): 67824900

約数和(自身を除く): 48845700

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 64, 72, 75, 80, 90, 96, 100, 120, 128, 144, 150, 160, 180, 192, 200, 225, 240, 288, 300, 320, 360, 384, 400, 450, 480, 576, 600, 640, 659, 720, 800, 900, 960, 1152, 1200, 1318, 1440, 1600, 1800, 1920, 1977, 2400, 2636, 2880, 3200, 3295, 3600, 3954, 4800, 5272, 5760, 5931, 6590, 7200, 7908, 9600, 9885, 10544, 11862, 13180, 14400, 15816, 16475, 19770, 21088, 23724, 26360, 28800, 29655, 31632, 32950, 39540, 42176, 47448, 49425, 52720, 59310, 63264, 65900, 79080, 84352, 94896, 98850, 105440, 118620, 126528, 131800, 148275, 158160, 189792, 197700, 210880, 237240, 253056, 263600, 296550, 316320, 379584, 395400, 421760, 474480, 527200, 593100, 632640, 759168, 790800, 948960, 1054400, 1186200, 1265280, 1581600, 1897920, 2108800, 2372400, 3163200, 3795840, 4744800, 6326400, 9489600, 18979200]

約数ペア:

[(1, 18979200), (2, 9489600), (3, 6326400), (4, 4744800), (5, 3795840), (6, 3163200), (8, 2372400), (9, 2108800), (10, 1897920), (12, 1581600), (15, 1265280), (16, 1186200), (18, 1054400), (20, 948960), (24, 790800), (25, 759168), (30, 632640), (32, 593100), (36, 527200), (40, 474480), (45, 421760), (48, 395400), (50, 379584), (60, 316320), (64, 296550), (72, 263600), (75, 253056), (80, 237240), (90, 210880), (96, 197700), (100, 189792), (120, 158160), (128, 148275), (144, 131800), (150, 126528), (160, 118620), (180, 105440), (192, 98850), (200, 94896), (225, 84352), (240, 79080), (288, 65900), (300, 63264), (320, 59310), (360, 52720), (384, 49425), (400, 47448), (450, 42176), (480, 39540), (576, 32950), (600, 31632), (640, 29655), (659, 28800), (720, 26360), (800, 23724), (900, 21088), (960, 19770), (1152, 16475), (1200, 15816), (1318, 14400), (1440, 13180), (1600, 11862), (1800, 10544), (1920, 9885), (1977, 9600), (2400, 7908), (2636, 7200), (2880, 6590), (3200, 5931), (3295, 5760), (3600, 5272), (3954, 4800)]