19881400800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{73309}}^1$

素因数の和:73445

約数の個数: 144

約数和(自身を含む): 65287540080

約数和(自身を除く): 45406139280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 113, 120, 150, 160, 200, 226, 240, 300, 339, 400, 452, 480, 565, 600, 678, 800, 904, 1130, 1200, 1356, 1695, 1808, 2260, 2400, 2712, 2825, 3390, 3616, 4520, 5424, 5650, 6780, 8475, 9040, 10848, 11300, 13560, 16950, 18080, 22600, 27120, 33900, 45200, 54240, 67800, 73309, 90400, 135600, 146618, 219927, 271200, 293236, 366545, 439854, 586472, 733090, 879708, 1099635, 1172944, 1466180, 1759416, 1832725, 2199270, 2345888, 2932360, 3518832, 3665450, 4398540, 5498175, 5864720, 7037664, 7330900, 8283917, 8797080, 10996350, 11729440, 14661800, 16567834, 17594160, 21992700, 24851751, 29323600, 33135668, 35188320, 41419585, 43985400, 49703502, 58647200, 66271336, 82839170, 87970800, 99407004, 124258755, 132542672, 165678340, 175941600, 198814008, 207097925, 248517510, 265085344, 331356680, 397628016, 414195850, 497035020, 621293775, 662713360, 795256032, 828391700, 994070040, 1242587550, 1325426720, 1656783400, 1988140080, 2485175100, 3313566800, 3976280160, 4970350200, 6627133600, 9940700400, 19881400800]

約数ペア:

[(1, 19881400800), (2, 9940700400), (3, 6627133600), (4, 4970350200), (5, 3976280160), (6, 3313566800), (8, 2485175100), (10, 1988140080), (12, 1656783400), (15, 1325426720), (16, 1242587550), (20, 994070040), (24, 828391700), (25, 795256032), (30, 662713360), (32, 621293775), (40, 497035020), (48, 414195850), (50, 397628016), (60, 331356680), (75, 265085344), (80, 248517510), (96, 207097925), (100, 198814008), (113, 175941600), (120, 165678340), (150, 132542672), (160, 124258755), (200, 99407004), (226, 87970800), (240, 82839170), (300, 66271336), (339, 58647200), (400, 49703502), (452, 43985400), (480, 41419585), (565, 35188320), (600, 33135668), (678, 29323600), (800, 24851751), (904, 21992700), (1130, 17594160), (1200, 16567834), (1356, 14661800), (1695, 11729440), (1808, 10996350), (2260, 8797080), (2400, 8283917), (2712, 7330900), (2825, 7037664), (3390, 5864720), (3616, 5498175), (4520, 4398540), (5424, 3665450), (5650, 3518832), (6780, 2932360), (8475, 2345888), (9040, 2199270), (10848, 1832725), (11300, 1759416), (13560, 1466180), (16950, 1172944), (18080, 1099635), (22600, 879708), (27120, 733090), (33900, 586472), (45200, 439854), (54240, 366545), (67800, 293236), (73309, 271200), (90400, 219927), (135600, 146618)]