280659600

素因数分解:

$2^4\times 3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1999}}^1$

素因数の和:2039

約数の個数: 240

約数和(自身を含む): 1076320000

約数和(自身を除く): 795660400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 25, 26, 27, 30, 36, 39, 40, 45, 48, 50, 52, 54, 60, 65, 72, 75, 78, 80, 90, 100, 104, 108, 117, 120, 130, 135, 144, 150, 156, 180, 195, 200, 208, 216, 225, 234, 240, 260, 270, 300, 312, 325, 351, 360, 390, 400, 432, 450, 468, 520, 540, 585, 600, 624, 650, 675, 702, 720, 780, 900, 936, 975, 1040, 1080, 1170, 1200, 1300, 1350, 1404, 1560, 1755, 1800, 1872, 1950, 1999, 2160, 2340, 2600, 2700, 2808, 2925, 3120, 3510, 3600, 3900, 3998, 4680, 5200, 5400, 5616, 5850, 5997, 7020, 7800, 7996, 8775, 9360, 9995, 10800, 11700, 11994, 14040, 15600, 15992, 17550, 17991, 19990, 23400, 23988, 25987, 28080, 29985, 31984, 35100, 35982, 39980, 46800, 47976, 49975, 51974, 53973, 59970, 70200, 71964, 77961, 79960, 89955, 95952, 99950, 103948, 107946, 119940, 129935, 140400, 143928, 149925, 155922, 159920, 179910, 199900, 207896, 215892, 233883, 239880, 259870, 269865, 287856, 299850, 311844, 359820, 389805, 399800, 415792, 431784, 449775, 467766, 479760, 519740, 539730, 599700, 623688, 649675, 701649, 719640, 779610, 799600, 863568, 899550, 935532, 1039480, 1079460, 1169415, 1199400, 1247376, 1299350, 1349325, 1403298, 1439280, 1559220, 1799100, 1871064, 1949025, 2078960, 2158920, 2338830, 2398800, 2598700, 2698650, 2806596, 3118440, 3508245, 3598200, 3742128, 3898050, 4317840, 4677660, 5197400, 5397300, 5613192, 5847075, 6236880, 7016490, 7196400, 7796100, 9355320, 10394800, 10794600, 11226384, 11694150, 14032980, 15592200, 17541225, 18710640, 21589200, 23388300, 28065960, 31184400, 35082450, 46776600, 56131920, 70164900, 93553200, 140329800, 280659600]

約数ペア:

[(1, 280659600), (2, 140329800), (3, 93553200), (4, 70164900), (5, 56131920), (6, 46776600), (8, 35082450), (9, 31184400), (10, 28065960), (12, 23388300), (13, 21589200), (15, 18710640), (16, 17541225), (18, 15592200), (20, 14032980), (24, 11694150), (25, 11226384), (26, 10794600), (27, 10394800), (30, 9355320), (36, 7796100), (39, 7196400), (40, 7016490), (45, 6236880), (48, 5847075), (50, 5613192), (52, 5397300), (54, 5197400), (60, 4677660), (65, 4317840), (72, 3898050), (75, 3742128), (78, 3598200), (80, 3508245), (90, 3118440), (100, 2806596), (104, 2698650), (108, 2598700), (117, 2398800), (120, 2338830), (130, 2158920), (135, 2078960), (144, 1949025), (150, 1871064), (156, 1799100), (180, 1559220), (195, 1439280), (200, 1403298), (208, 1349325), (216, 1299350), (225, 1247376), (234, 1199400), (240, 1169415), (260, 1079460), (270, 1039480), (300, 935532), (312, 899550), (325, 863568), (351, 799600), (360, 779610), (390, 719640), (400, 701649), (432, 649675), (450, 623688), (468, 599700), (520, 539730), (540, 519740), (585, 479760), (600, 467766), (624, 449775), (650, 431784), (675, 415792), (702, 399800), (720, 389805), (780, 359820), (900, 311844), (936, 299850), (975, 287856), (1040, 269865), (1080, 259870), (1170, 239880), (1200, 233883), (1300, 215892), (1350, 207896), (1404, 199900), (1560, 179910), (1755, 159920), (1800, 155922), (1872, 149925), (1950, 143928), (1999, 140400), (2160, 129935), (2340, 119940), (2600, 107946), (2700, 103948), (2808, 99950), (2925, 95952), (3120, 89955), (3510, 79960), (3600, 77961), (3900, 71964), (3998, 70200), (4680, 59970), (5200, 53973), (5400, 51974), (5616, 49975), (5850, 47976), (5997, 46800), (7020, 39980), (7800, 35982), (7996, 35100), (8775, 31984), (9360, 29985), (9995, 28080), (10800, 25987), (11700, 23988), (11994, 23400), (14040, 19990), (15600, 17991), (15992, 17550)]