245348880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{673}}^1$

素因数の和:734

約数の個数: 240

約数和(自身を含む): 914655744

約数和(自身を除く): 669306864

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 49, 56, 60, 62, 70, 80, 84, 93, 98, 105, 112, 120, 124, 140, 147, 155, 168, 186, 196, 210, 217, 240, 245, 248, 280, 294, 310, 336, 372, 392, 420, 434, 465, 490, 496, 560, 588, 620, 651, 673, 735, 744, 784, 840, 868, 930, 980, 1085, 1176, 1240, 1302, 1346, 1470, 1488, 1519, 1680, 1736, 1860, 1960, 2019, 2170, 2352, 2480, 2604, 2692, 2940, 3038, 3255, 3365, 3472, 3720, 3920, 4038, 4340, 4557, 4711, 5208, 5384, 5880, 6076, 6510, 6730, 7440, 7595, 8076, 8680, 9114, 9422, 10095, 10416, 10768, 11760, 12152, 13020, 13460, 14133, 15190, 16152, 17360, 18228, 18844, 20190, 20863, 22785, 23555, 24304, 26040, 26920, 28266, 30380, 32304, 32977, 36456, 37688, 40380, 41726, 45570, 47110, 52080, 53840, 56532, 60760, 62589, 65954, 70665, 72912, 75376, 80760, 83452, 91140, 94220, 98931, 104315, 113064, 121520, 125178, 131908, 141330, 146041, 161520, 164885, 166904, 182280, 188440, 197862, 208630, 226128, 250356, 263816, 282660, 292082, 312945, 329770, 333808, 364560, 376880, 395724, 417260, 438123, 494655, 500712, 527632, 565320, 584164, 625890, 659540, 730205, 791448, 834520, 876246, 989310, 1001424, 1022287, 1130640, 1168328, 1251780, 1319080, 1460410, 1582896, 1669040, 1752492, 1978620, 2044574, 2190615, 2336656, 2503560, 2638160, 2920820, 3066861, 3504984, 3957240, 4089148, 4381230, 5007120, 5111435, 5841640, 6133722, 7009968, 7914480, 8178296, 8762460, 10222870, 11683280, 12267444, 15334305, 16356592, 17524920, 20445740, 24534888, 30668610, 35049840, 40891480, 49069776, 61337220, 81782960, 122674440, 245348880]

約数ペア:

[(1, 245348880), (2, 122674440), (3, 81782960), (4, 61337220), (5, 49069776), (6, 40891480), (7, 35049840), (8, 30668610), (10, 24534888), (12, 20445740), (14, 17524920), (15, 16356592), (16, 15334305), (20, 12267444), (21, 11683280), (24, 10222870), (28, 8762460), (30, 8178296), (31, 7914480), (35, 7009968), (40, 6133722), (42, 5841640), (48, 5111435), (49, 5007120), (56, 4381230), (60, 4089148), (62, 3957240), (70, 3504984), (80, 3066861), (84, 2920820), (93, 2638160), (98, 2503560), (105, 2336656), (112, 2190615), (120, 2044574), (124, 1978620), (140, 1752492), (147, 1669040), (155, 1582896), (168, 1460410), (186, 1319080), (196, 1251780), (210, 1168328), (217, 1130640), (240, 1022287), (245, 1001424), (248, 989310), (280, 876246), (294, 834520), (310, 791448), (336, 730205), (372, 659540), (392, 625890), (420, 584164), (434, 565320), (465, 527632), (490, 500712), (496, 494655), (560, 438123), (588, 417260), (620, 395724), (651, 376880), (673, 364560), (735, 333808), (744, 329770), (784, 312945), (840, 292082), (868, 282660), (930, 263816), (980, 250356), (1085, 226128), (1176, 208630), (1240, 197862), (1302, 188440), (1346, 182280), (1470, 166904), (1488, 164885), (1519, 161520), (1680, 146041), (1736, 141330), (1860, 131908), (1960, 125178), (2019, 121520), (2170, 113064), (2352, 104315), (2480, 98931), (2604, 94220), (2692, 91140), (2940, 83452), (3038, 80760), (3255, 75376), (3365, 72912), (3472, 70665), (3720, 65954), (3920, 62589), (4038, 60760), (4340, 56532), (4557, 53840), (4711, 52080), (5208, 47110), (5384, 45570), (5880, 41726), (6076, 40380), (6510, 37688), (6730, 36456), (7440, 32977), (7595, 32304), (8076, 30380), (8680, 28266), (9114, 26920), (9422, 26040), (10095, 24304), (10416, 23555), (10768, 22785), (11760, 20863), (12152, 20190), (13020, 18844), (13460, 18228), (14133, 17360), (15190, 16152)]