286751920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1$

素因数の和:388

約数の個数: 240

約数和(自身を含む): 887005728

約数和(自身を除く): 600253808

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 17, 20, 26, 28, 34, 35, 40, 49, 52, 56, 65, 68, 70, 80, 85, 91, 98, 104, 112, 119, 130, 136, 140, 170, 182, 196, 208, 221, 238, 245, 260, 272, 280, 331, 340, 364, 392, 442, 455, 476, 490, 520, 560, 595, 637, 662, 680, 728, 784, 833, 884, 910, 952, 980, 1040, 1105, 1190, 1274, 1324, 1360, 1456, 1547, 1655, 1666, 1768, 1820, 1904, 1960, 2210, 2317, 2380, 2548, 2648, 3094, 3185, 3310, 3332, 3536, 3640, 3920, 4165, 4303, 4420, 4634, 4760, 5096, 5296, 5627, 6188, 6370, 6620, 6664, 7280, 7735, 8330, 8606, 8840, 9268, 9520, 10192, 10829, 11254, 11585, 12376, 12740, 13240, 13328, 15470, 16219, 16660, 17212, 17680, 18536, 21515, 21658, 22508, 23170, 24752, 25480, 26480, 28135, 30121, 30940, 32438, 33320, 34424, 37072, 39389, 43030, 43316, 45016, 46340, 50960, 54145, 56270, 60242, 61880, 64876, 66640, 68848, 73151, 78778, 81095, 86060, 86632, 90032, 92680, 108290, 112540, 120484, 123760, 129752, 146302, 150605, 157556, 162190, 172120, 173264, 185360, 196945, 210847, 216580, 225080, 240968, 259504, 275723, 292604, 301210, 315112, 324380, 344240, 365755, 393890, 421694, 433160, 450160, 481936, 512057, 551446, 585208, 602420, 630224, 648760, 731510, 787780, 843388, 866320, 1024114, 1054235, 1102892, 1170416, 1204840, 1297520, 1378615, 1463020, 1575560, 1686776, 2048228, 2108470, 2205784, 2409680, 2560285, 2757230, 2926040, 3151120, 3373552, 3584399, 4096456, 4216940, 4411568, 5120570, 5514460, 5852080, 7168798, 8192912, 8433880, 10241140, 11028920, 14337596, 16867760, 17921995, 20482280, 22057840, 28675192, 35843990, 40964560, 57350384, 71687980, 143375960, 286751920]

約数ペア:

[(1, 286751920), (2, 143375960), (4, 71687980), (5, 57350384), (7, 40964560), (8, 35843990), (10, 28675192), (13, 22057840), (14, 20482280), (16, 17921995), (17, 16867760), (20, 14337596), (26, 11028920), (28, 10241140), (34, 8433880), (35, 8192912), (40, 7168798), (49, 5852080), (52, 5514460), (56, 5120570), (65, 4411568), (68, 4216940), (70, 4096456), (80, 3584399), (85, 3373552), (91, 3151120), (98, 2926040), (104, 2757230), (112, 2560285), (119, 2409680), (130, 2205784), (136, 2108470), (140, 2048228), (170, 1686776), (182, 1575560), (196, 1463020), (208, 1378615), (221, 1297520), (238, 1204840), (245, 1170416), (260, 1102892), (272, 1054235), (280, 1024114), (331, 866320), (340, 843388), (364, 787780), (392, 731510), (442, 648760), (455, 630224), (476, 602420), (490, 585208), (520, 551446), (560, 512057), (595, 481936), (637, 450160), (662, 433160), (680, 421694), (728, 393890), (784, 365755), (833, 344240), (884, 324380), (910, 315112), (952, 301210), (980, 292604), (1040, 275723), (1105, 259504), (1190, 240968), (1274, 225080), (1324, 216580), (1360, 210847), (1456, 196945), (1547, 185360), (1655, 173264), (1666, 172120), (1768, 162190), (1820, 157556), (1904, 150605), (1960, 146302), (2210, 129752), (2317, 123760), (2380, 120484), (2548, 112540), (2648, 108290), (3094, 92680), (3185, 90032), (3310, 86632), (3332, 86060), (3536, 81095), (3640, 78778), (3920, 73151), (4165, 68848), (4303, 66640), (4420, 64876), (4634, 61880), (4760, 60242), (5096, 56270), (5296, 54145), (5627, 50960), (6188, 46340), (6370, 45016), (6620, 43316), (6664, 43030), (7280, 39389), (7735, 37072), (8330, 34424), (8606, 33320), (8840, 32438), (9268, 30940), (9520, 30121), (10192, 28135), (10829, 26480), (11254, 25480), (11585, 24752), (12376, 23170), (12740, 22508), (13240, 21658), (13328, 21515), (15470, 18536), (16219, 17680), (16660, 17212)]