257434800

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1613}}^1$

素因数の和:1660

約数の個数: 240

約数和(自身を含む): 992674560

約数和(自身を除く): 735239760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 25, 28, 30, 35, 38, 40, 42, 48, 50, 56, 57, 60, 70, 75, 76, 80, 84, 95, 100, 105, 112, 114, 120, 133, 140, 150, 152, 168, 175, 190, 200, 210, 228, 240, 266, 280, 285, 300, 304, 336, 350, 380, 399, 400, 420, 456, 475, 525, 532, 560, 570, 600, 665, 700, 760, 798, 840, 912, 950, 1050, 1064, 1140, 1200, 1330, 1400, 1425, 1520, 1596, 1613, 1680, 1900, 1995, 2100, 2128, 2280, 2660, 2800, 2850, 3192, 3226, 3325, 3800, 3990, 4200, 4560, 4839, 5320, 5700, 6384, 6452, 6650, 7600, 7980, 8065, 8400, 9678, 9975, 10640, 11291, 11400, 12904, 13300, 15960, 16130, 19356, 19950, 22582, 22800, 24195, 25808, 26600, 30647, 31920, 32260, 33873, 38712, 39900, 40325, 45164, 48390, 53200, 56455, 61294, 64520, 67746, 77424, 79800, 80650, 90328, 91941, 96780, 112910, 120975, 122588, 129040, 135492, 153235, 159600, 161300, 169365, 180656, 183882, 193560, 214529, 225820, 241950, 245176, 270984, 282275, 306470, 322600, 338730, 367764, 387120, 429058, 451640, 459705, 483900, 490352, 541968, 564550, 612940, 643587, 645200, 677460, 735528, 766175, 846825, 858116, 903280, 919410, 967800, 1072645, 1129100, 1225880, 1287174, 1354920, 1471056, 1532350, 1693650, 1716232, 1838820, 1935600, 2145290, 2258200, 2298525, 2451760, 2574348, 2709840, 3064700, 3217935, 3387300, 3432464, 3677640, 4290580, 4516400, 4597050, 5148696, 5363225, 6129400, 6435870, 6774600, 7355280, 8581160, 9194100, 10297392, 10726450, 12258800, 12871740, 13549200, 16089675, 17162320, 18388200, 21452900, 25743480, 32179350, 36776400, 42905800, 51486960, 64358700, 85811600, 128717400, 257434800]

約数ペア:

[(1, 257434800), (2, 128717400), (3, 85811600), (4, 64358700), (5, 51486960), (6, 42905800), (7, 36776400), (8, 32179350), (10, 25743480), (12, 21452900), (14, 18388200), (15, 17162320), (16, 16089675), (19, 13549200), (20, 12871740), (21, 12258800), (24, 10726450), (25, 10297392), (28, 9194100), (30, 8581160), (35, 7355280), (38, 6774600), (40, 6435870), (42, 6129400), (48, 5363225), (50, 5148696), (56, 4597050), (57, 4516400), (60, 4290580), (70, 3677640), (75, 3432464), (76, 3387300), (80, 3217935), (84, 3064700), (95, 2709840), (100, 2574348), (105, 2451760), (112, 2298525), (114, 2258200), (120, 2145290), (133, 1935600), (140, 1838820), (150, 1716232), (152, 1693650), (168, 1532350), (175, 1471056), (190, 1354920), (200, 1287174), (210, 1225880), (228, 1129100), (240, 1072645), (266, 967800), (280, 919410), (285, 903280), (300, 858116), (304, 846825), (336, 766175), (350, 735528), (380, 677460), (399, 645200), (400, 643587), (420, 612940), (456, 564550), (475, 541968), (525, 490352), (532, 483900), (560, 459705), (570, 451640), (600, 429058), (665, 387120), (700, 367764), (760, 338730), (798, 322600), (840, 306470), (912, 282275), (950, 270984), (1050, 245176), (1064, 241950), (1140, 225820), (1200, 214529), (1330, 193560), (1400, 183882), (1425, 180656), (1520, 169365), (1596, 161300), (1613, 159600), (1680, 153235), (1900, 135492), (1995, 129040), (2100, 122588), (2128, 120975), (2280, 112910), (2660, 96780), (2800, 91941), (2850, 90328), (3192, 80650), (3226, 79800), (3325, 77424), (3800, 67746), (3990, 64520), (4200, 61294), (4560, 56455), (4839, 53200), (5320, 48390), (5700, 45164), (6384, 40325), (6452, 39900), (6650, 38712), (7600, 33873), (7980, 32260), (8065, 31920), (8400, 30647), (9678, 26600), (9975, 25808), (10640, 24195), (11291, 22800), (11400, 22582), (12904, 19950), (13300, 19356), (15960, 16130)]