279238960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{317}}^1$

素因数の和:372

約数の個数: 240

約数和(自身を含む): 881068608

約数和(自身を除く): 601829648

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 80, 88, 91, 104, 110, 112, 121, 130, 140, 143, 154, 176, 182, 208, 220, 242, 260, 280, 286, 308, 317, 364, 385, 440, 455, 484, 520, 560, 572, 605, 616, 634, 715, 728, 770, 847, 880, 910, 968, 1001, 1040, 1144, 1210, 1232, 1268, 1430, 1456, 1540, 1573, 1585, 1694, 1820, 1936, 2002, 2219, 2288, 2420, 2536, 2860, 3080, 3146, 3170, 3388, 3487, 3640, 4004, 4121, 4235, 4438, 4840, 5005, 5072, 5720, 6160, 6292, 6340, 6776, 6974, 7280, 7865, 8008, 8242, 8470, 8876, 9680, 10010, 11011, 11095, 11440, 12584, 12680, 13552, 13948, 15730, 16016, 16484, 16940, 17435, 17752, 20020, 20605, 22022, 22190, 24409, 25168, 25360, 27896, 28847, 31460, 32968, 33880, 34870, 35504, 38357, 40040, 41210, 44044, 44380, 45331, 48818, 55055, 55792, 57694, 62920, 65936, 67760, 69740, 76714, 80080, 82420, 88088, 88760, 90662, 97636, 110110, 115388, 122045, 125840, 139480, 144235, 153428, 164840, 176176, 177520, 181324, 191785, 195272, 220220, 226655, 230776, 244090, 268499, 278960, 288470, 306856, 317317, 329680, 362648, 383570, 390544, 440440, 453310, 461552, 488180, 498641, 536998, 576940, 613712, 634634, 725296, 767140, 880880, 906620, 976360, 997282, 1073996, 1153880, 1269268, 1342495, 1534280, 1586585, 1813240, 1952720, 1994564, 2147992, 2307760, 2493205, 2538536, 2684990, 3068560, 3173170, 3490487, 3626480, 3989128, 4295984, 4986410, 5077072, 5369980, 6346340, 6980974, 7978256, 9972820, 10739960, 12692680, 13961948, 17452435, 19945640, 21479920, 25385360, 27923896, 34904870, 39891280, 55847792, 69809740, 139619480, 279238960]

約数ペア:

[(1, 279238960), (2, 139619480), (4, 69809740), (5, 55847792), (7, 39891280), (8, 34904870), (10, 27923896), (11, 25385360), (13, 21479920), (14, 19945640), (16, 17452435), (20, 13961948), (22, 12692680), (26, 10739960), (28, 9972820), (35, 7978256), (40, 6980974), (44, 6346340), (52, 5369980), (55, 5077072), (56, 4986410), (65, 4295984), (70, 3989128), (77, 3626480), (80, 3490487), (88, 3173170), (91, 3068560), (104, 2684990), (110, 2538536), (112, 2493205), (121, 2307760), (130, 2147992), (140, 1994564), (143, 1952720), (154, 1813240), (176, 1586585), (182, 1534280), (208, 1342495), (220, 1269268), (242, 1153880), (260, 1073996), (280, 997282), (286, 976360), (308, 906620), (317, 880880), (364, 767140), (385, 725296), (440, 634634), (455, 613712), (484, 576940), (520, 536998), (560, 498641), (572, 488180), (605, 461552), (616, 453310), (634, 440440), (715, 390544), (728, 383570), (770, 362648), (847, 329680), (880, 317317), (910, 306856), (968, 288470), (1001, 278960), (1040, 268499), (1144, 244090), (1210, 230776), (1232, 226655), (1268, 220220), (1430, 195272), (1456, 191785), (1540, 181324), (1573, 177520), (1585, 176176), (1694, 164840), (1820, 153428), (1936, 144235), (2002, 139480), (2219, 125840), (2288, 122045), (2420, 115388), (2536, 110110), (2860, 97636), (3080, 90662), (3146, 88760), (3170, 88088), (3388, 82420), (3487, 80080), (3640, 76714), (4004, 69740), (4121, 67760), (4235, 65936), (4438, 62920), (4840, 57694), (5005, 55792), (5072, 55055), (5720, 48818), (6160, 45331), (6292, 44380), (6340, 44044), (6776, 41210), (6974, 40040), (7280, 38357), (7865, 35504), (8008, 34870), (8242, 33880), (8470, 32968), (8876, 31460), (9680, 28847), (10010, 27896), (11011, 25360), (11095, 25168), (11440, 24409), (12584, 22190), (12680, 22022), (13552, 20605), (13948, 20020), (15730, 17752), (16016, 17435), (16484, 16940)]