259783440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{647}}^1$

素因数の和:909

約数の個数: 160

約数和(自身を含む): 925655040

約数和(自身を除く): 665871600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 239, 240, 280, 336, 420, 478, 560, 647, 717, 840, 956, 1195, 1294, 1434, 1673, 1680, 1912, 1941, 2390, 2588, 2868, 3235, 3346, 3585, 3824, 3882, 4529, 4780, 5019, 5176, 5736, 6470, 6692, 7170, 7764, 8365, 9058, 9560, 9705, 10038, 10352, 11472, 12940, 13384, 13587, 14340, 15528, 16730, 18116, 19120, 19410, 20076, 22645, 25095, 25880, 26768, 27174, 28680, 31056, 33460, 36232, 38820, 40152, 45290, 50190, 51760, 54348, 57360, 66920, 67935, 72464, 77640, 80304, 90580, 100380, 108696, 133840, 135870, 154633, 155280, 181160, 200760, 217392, 271740, 309266, 362320, 401520, 463899, 543480, 618532, 773165, 927798, 1082431, 1086960, 1237064, 1546330, 1855596, 2164862, 2319495, 2474128, 3092660, 3247293, 3711192, 4329724, 4638990, 5412155, 6185320, 6494586, 7422384, 8659448, 9277980, 10824310, 12370640, 12989172, 16236465, 17318896, 18555960, 21648620, 25978344, 32472930, 37111920, 43297240, 51956688, 64945860, 86594480, 129891720, 259783440]

約数ペア:

[(1, 259783440), (2, 129891720), (3, 86594480), (4, 64945860), (5, 51956688), (6, 43297240), (7, 37111920), (8, 32472930), (10, 25978344), (12, 21648620), (14, 18555960), (15, 17318896), (16, 16236465), (20, 12989172), (21, 12370640), (24, 10824310), (28, 9277980), (30, 8659448), (35, 7422384), (40, 6494586), (42, 6185320), (48, 5412155), (56, 4638990), (60, 4329724), (70, 3711192), (80, 3247293), (84, 3092660), (105, 2474128), (112, 2319495), (120, 2164862), (140, 1855596), (168, 1546330), (210, 1237064), (239, 1086960), (240, 1082431), (280, 927798), (336, 773165), (420, 618532), (478, 543480), (560, 463899), (647, 401520), (717, 362320), (840, 309266), (956, 271740), (1195, 217392), (1294, 200760), (1434, 181160), (1673, 155280), (1680, 154633), (1912, 135870), (1941, 133840), (2390, 108696), (2588, 100380), (2868, 90580), (3235, 80304), (3346, 77640), (3585, 72464), (3824, 67935), (3882, 66920), (4529, 57360), (4780, 54348), (5019, 51760), (5176, 50190), (5736, 45290), (6470, 40152), (6692, 38820), (7170, 36232), (7764, 33460), (8365, 31056), (9058, 28680), (9560, 27174), (9705, 26768), (10038, 25880), (10352, 25095), (11472, 22645), (12940, 20076), (13384, 19410), (13587, 19120), (14340, 18116), (15528, 16730)]