257415600

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{569}}^1$

素因数の和:632

約数の個数: 240

約数和(自身を含む): 920253600

約数和(自身を除く): 662838000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 29, 30, 39, 40, 48, 50, 52, 58, 60, 65, 75, 78, 80, 87, 100, 104, 116, 120, 130, 145, 150, 156, 174, 195, 200, 208, 232, 240, 260, 290, 300, 312, 325, 348, 377, 390, 400, 435, 464, 520, 569, 580, 600, 624, 650, 696, 725, 754, 780, 870, 975, 1040, 1131, 1138, 1160, 1200, 1300, 1392, 1450, 1508, 1560, 1707, 1740, 1885, 1950, 2175, 2262, 2276, 2320, 2600, 2845, 2900, 3016, 3120, 3414, 3480, 3770, 3900, 4350, 4524, 4552, 5200, 5655, 5690, 5800, 6032, 6828, 6960, 7397, 7540, 7800, 8535, 8700, 9048, 9104, 9425, 11310, 11380, 11600, 13656, 14225, 14794, 15080, 15600, 16501, 17070, 17400, 18096, 18850, 22191, 22620, 22760, 27312, 28275, 28450, 29588, 30160, 33002, 34140, 34800, 36985, 37700, 42675, 44382, 45240, 45520, 49503, 56550, 56900, 59176, 66004, 68280, 73970, 75400, 82505, 85350, 88764, 90480, 99006, 110955, 113100, 113800, 118352, 132008, 136560, 147940, 150800, 165010, 170700, 177528, 184925, 198012, 214513, 221910, 226200, 227600, 247515, 264016, 295880, 330020, 341400, 355056, 369850, 396024, 412525, 429026, 443820, 452400, 495030, 554775, 591760, 643539, 660040, 682800, 739700, 792048, 825050, 858052, 887640, 990060, 1072565, 1109550, 1237575, 1287078, 1320080, 1479400, 1650100, 1716104, 1775280, 1980120, 2145130, 2219100, 2475150, 2574156, 2958800, 3217695, 3300200, 3432208, 3960240, 4290260, 4438200, 4950300, 5148312, 5362825, 6435390, 6600400, 8580520, 8876400, 9900600, 10296624, 10725650, 12870780, 16088475, 17161040, 19801200, 21451300, 25741560, 32176950, 42902600, 51483120, 64353900, 85805200, 128707800, 257415600]

約数ペア:

[(1, 257415600), (2, 128707800), (3, 85805200), (4, 64353900), (5, 51483120), (6, 42902600), (8, 32176950), (10, 25741560), (12, 21451300), (13, 19801200), (15, 17161040), (16, 16088475), (20, 12870780), (24, 10725650), (25, 10296624), (26, 9900600), (29, 8876400), (30, 8580520), (39, 6600400), (40, 6435390), (48, 5362825), (50, 5148312), (52, 4950300), (58, 4438200), (60, 4290260), (65, 3960240), (75, 3432208), (78, 3300200), (80, 3217695), (87, 2958800), (100, 2574156), (104, 2475150), (116, 2219100), (120, 2145130), (130, 1980120), (145, 1775280), (150, 1716104), (156, 1650100), (174, 1479400), (195, 1320080), (200, 1287078), (208, 1237575), (232, 1109550), (240, 1072565), (260, 990060), (290, 887640), (300, 858052), (312, 825050), (325, 792048), (348, 739700), (377, 682800), (390, 660040), (400, 643539), (435, 591760), (464, 554775), (520, 495030), (569, 452400), (580, 443820), (600, 429026), (624, 412525), (650, 396024), (696, 369850), (725, 355056), (754, 341400), (780, 330020), (870, 295880), (975, 264016), (1040, 247515), (1131, 227600), (1138, 226200), (1160, 221910), (1200, 214513), (1300, 198012), (1392, 184925), (1450, 177528), (1508, 170700), (1560, 165010), (1707, 150800), (1740, 147940), (1885, 136560), (1950, 132008), (2175, 118352), (2262, 113800), (2276, 113100), (2320, 110955), (2600, 99006), (2845, 90480), (2900, 88764), (3016, 85350), (3120, 82505), (3414, 75400), (3480, 73970), (3770, 68280), (3900, 66004), (4350, 59176), (4524, 56900), (4552, 56550), (5200, 49503), (5655, 45520), (5690, 45240), (5800, 44382), (6032, 42675), (6828, 37700), (6960, 36985), (7397, 34800), (7540, 34140), (7800, 33002), (8535, 30160), (8700, 29588), (9048, 28450), (9104, 28275), (9425, 27312), (11310, 22760), (11380, 22620), (11600, 22191), (13656, 18850), (14225, 18096), (14794, 17400), (15080, 17070), (15600, 16501)]