261934400

素因数分解:

$2^6\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:306

約数の個数: 252

約数和(自身を含む): 810565308

約数和(自身を除く): 548630908

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 49, 50, 52, 56, 64, 65, 70, 80, 91, 98, 100, 104, 112, 130, 140, 160, 175, 182, 196, 200, 208, 224, 245, 257, 260, 280, 320, 325, 350, 364, 392, 400, 416, 448, 455, 490, 514, 520, 560, 637, 650, 700, 728, 784, 800, 832, 910, 980, 1028, 1040, 1120, 1225, 1274, 1285, 1300, 1400, 1456, 1568, 1600, 1799, 1820, 1960, 2056, 2080, 2240, 2275, 2450, 2548, 2570, 2600, 2800, 2912, 3136, 3185, 3341, 3598, 3640, 3920, 4112, 4160, 4550, 4900, 5096, 5140, 5200, 5600, 5824, 6370, 6425, 6682, 7196, 7280, 7840, 8224, 8995, 9100, 9800, 10192, 10280, 10400, 11200, 12593, 12740, 12850, 13364, 14392, 14560, 15680, 15925, 16448, 16705, 17990, 18200, 19600, 20384, 20560, 20800, 23387, 25186, 25480, 25700, 26728, 28784, 29120, 31850, 33410, 35980, 36400, 39200, 40768, 41120, 44975, 46774, 50372, 50960, 51400, 53456, 57568, 62965, 63700, 66820, 71960, 72800, 78400, 82240, 83525, 89950, 93548, 100744, 101920, 102800, 106912, 115136, 116935, 125930, 127400, 133640, 143920, 145600, 163709, 167050, 179900, 187096, 201488, 203840, 205600, 213824, 233870, 251860, 254800, 267280, 287840, 314825, 327418, 334100, 359800, 374192, 402976, 411200, 467740, 503720, 509600, 534560, 575680, 584675, 629650, 654836, 668200, 719600, 748384, 805952, 818545, 935480, 1007440, 1019200, 1069120, 1169350, 1259300, 1309672, 1336400, 1439200, 1496768, 1637090, 1870960, 2014880, 2338700, 2518600, 2619344, 2672800, 2878400, 3274180, 3741920, 4029760, 4092725, 4677400, 5037200, 5238688, 5345600, 6548360, 7483840, 8185450, 9354800, 10074400, 10477376, 13096720, 16370900, 18709600, 20148800, 26193440, 32741800, 37419200, 52386880, 65483600, 130967200, 261934400]

約数ペア:

[(1, 261934400), (2, 130967200), (4, 65483600), (5, 52386880), (7, 37419200), (8, 32741800), (10, 26193440), (13, 20148800), (14, 18709600), (16, 16370900), (20, 13096720), (25, 10477376), (26, 10074400), (28, 9354800), (32, 8185450), (35, 7483840), (40, 6548360), (49, 5345600), (50, 5238688), (52, 5037200), (56, 4677400), (64, 4092725), (65, 4029760), (70, 3741920), (80, 3274180), (91, 2878400), (98, 2672800), (100, 2619344), (104, 2518600), (112, 2338700), (130, 2014880), (140, 1870960), (160, 1637090), (175, 1496768), (182, 1439200), (196, 1336400), (200, 1309672), (208, 1259300), (224, 1169350), (245, 1069120), (257, 1019200), (260, 1007440), (280, 935480), (320, 818545), (325, 805952), (350, 748384), (364, 719600), (392, 668200), (400, 654836), (416, 629650), (448, 584675), (455, 575680), (490, 534560), (514, 509600), (520, 503720), (560, 467740), (637, 411200), (650, 402976), (700, 374192), (728, 359800), (784, 334100), (800, 327418), (832, 314825), (910, 287840), (980, 267280), (1028, 254800), (1040, 251860), (1120, 233870), (1225, 213824), (1274, 205600), (1285, 203840), (1300, 201488), (1400, 187096), (1456, 179900), (1568, 167050), (1600, 163709), (1799, 145600), (1820, 143920), (1960, 133640), (2056, 127400), (2080, 125930), (2240, 116935), (2275, 115136), (2450, 106912), (2548, 102800), (2570, 101920), (2600, 100744), (2800, 93548), (2912, 89950), (3136, 83525), (3185, 82240), (3341, 78400), (3598, 72800), (3640, 71960), (3920, 66820), (4112, 63700), (4160, 62965), (4550, 57568), (4900, 53456), (5096, 51400), (5140, 50960), (5200, 50372), (5600, 46774), (5824, 44975), (6370, 41120), (6425, 40768), (6682, 39200), (7196, 36400), (7280, 35980), (7840, 33410), (8224, 31850), (8995, 29120), (9100, 28784), (9800, 26728), (10192, 25700), (10280, 25480), (10400, 25186), (11200, 23387), (12593, 20800), (12740, 20560), (12850, 20384), (13364, 19600), (14392, 18200), (14560, 17990), (15680, 16705), (15925, 16448)]