278251920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:342

約数の個数: 240

約数和(自身を含む): 1002792960

約数和(自身を除く): 724541040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 102, 120, 127, 136, 144, 153, 170, 179, 180, 204, 240, 254, 255, 272, 306, 340, 358, 360, 381, 408, 508, 510, 537, 612, 635, 680, 716, 720, 762, 765, 816, 895, 1016, 1020, 1074, 1143, 1224, 1270, 1360, 1432, 1524, 1530, 1611, 1790, 1905, 2032, 2040, 2148, 2159, 2286, 2448, 2540, 2685, 2864, 3043, 3048, 3060, 3222, 3580, 3810, 4080, 4296, 4318, 4572, 5080, 5370, 5715, 6086, 6096, 6120, 6444, 6477, 7160, 7620, 8055, 8592, 8636, 9129, 9144, 10160, 10740, 10795, 11430, 12172, 12240, 12888, 12954, 14320, 15215, 15240, 16110, 17272, 18258, 18288, 19431, 21480, 21590, 22733, 22860, 24344, 25776, 25908, 27387, 30430, 30480, 32220, 32385, 34544, 36516, 38862, 42960, 43180, 45466, 45645, 45720, 48688, 51816, 54774, 60860, 64440, 64770, 68199, 73032, 77724, 86360, 90932, 91290, 91440, 97155, 103632, 109548, 113665, 121720, 128880, 129540, 136398, 136935, 146064, 155448, 172720, 181864, 182580, 194310, 204597, 219096, 227330, 243440, 259080, 272796, 273870, 310896, 340995, 363728, 365160, 386461, 388620, 409194, 438192, 454660, 518160, 545592, 547740, 681990, 730320, 772922, 777240, 818388, 909320, 1022985, 1091184, 1095480, 1159383, 1363980, 1545844, 1554480, 1636776, 1818640, 1932305, 2045970, 2190960, 2318766, 2727960, 3091688, 3273552, 3478149, 3864610, 4091940, 4637532, 5455920, 5796915, 6183376, 6956298, 7729220, 8183880, 9275064, 11593830, 13912596, 15458440, 16367760, 17390745, 18550128, 23187660, 27825192, 30916880, 34781490, 46375320, 55650384, 69562980, 92750640, 139125960, 278251920]

約数ペア:

[(1, 278251920), (2, 139125960), (3, 92750640), (4, 69562980), (5, 55650384), (6, 46375320), (8, 34781490), (9, 30916880), (10, 27825192), (12, 23187660), (15, 18550128), (16, 17390745), (17, 16367760), (18, 15458440), (20, 13912596), (24, 11593830), (30, 9275064), (34, 8183880), (36, 7729220), (40, 6956298), (45, 6183376), (48, 5796915), (51, 5455920), (60, 4637532), (68, 4091940), (72, 3864610), (80, 3478149), (85, 3273552), (90, 3091688), (102, 2727960), (120, 2318766), (127, 2190960), (136, 2045970), (144, 1932305), (153, 1818640), (170, 1636776), (179, 1554480), (180, 1545844), (204, 1363980), (240, 1159383), (254, 1095480), (255, 1091184), (272, 1022985), (306, 909320), (340, 818388), (358, 777240), (360, 772922), (381, 730320), (408, 681990), (508, 547740), (510, 545592), (537, 518160), (612, 454660), (635, 438192), (680, 409194), (716, 388620), (720, 386461), (762, 365160), (765, 363728), (816, 340995), (895, 310896), (1016, 273870), (1020, 272796), (1074, 259080), (1143, 243440), (1224, 227330), (1270, 219096), (1360, 204597), (1432, 194310), (1524, 182580), (1530, 181864), (1611, 172720), (1790, 155448), (1905, 146064), (2032, 136935), (2040, 136398), (2148, 129540), (2159, 128880), (2286, 121720), (2448, 113665), (2540, 109548), (2685, 103632), (2864, 97155), (3043, 91440), (3048, 91290), (3060, 90932), (3222, 86360), (3580, 77724), (3810, 73032), (4080, 68199), (4296, 64770), (4318, 64440), (4572, 60860), (5080, 54774), (5370, 51816), (5715, 48688), (6086, 45720), (6096, 45645), (6120, 45466), (6444, 43180), (6477, 42960), (7160, 38862), (7620, 36516), (8055, 34544), (8592, 32385), (8636, 32220), (9129, 30480), (9144, 30430), (10160, 27387), (10740, 25908), (10795, 25776), (11430, 24344), (12172, 22860), (12240, 22733), (12888, 21590), (12954, 21480), (14320, 19431), (15215, 18288), (15240, 18258), (16110, 17272)]