249745440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{311}}^1$

素因数の和:575

約数の個数: 192

約数和(自身を含む): 905748480

約数和(自身を除く): 656003040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 239, 240, 280, 311, 336, 420, 478, 480, 560, 622, 672, 717, 840, 933, 956, 1120, 1195, 1244, 1434, 1555, 1673, 1680, 1866, 1912, 2177, 2390, 2488, 2868, 3110, 3346, 3360, 3585, 3732, 3824, 4354, 4665, 4780, 4976, 5019, 5736, 6220, 6531, 6692, 7170, 7464, 7648, 8365, 8708, 9330, 9560, 9952, 10038, 10885, 11472, 12440, 13062, 13384, 14340, 14928, 16730, 17416, 18660, 19120, 20076, 21770, 22944, 24880, 25095, 26124, 26768, 28680, 29856, 32655, 33460, 34832, 37320, 38240, 40152, 43540, 49760, 50190, 52248, 53536, 57360, 65310, 66920, 69664, 74329, 74640, 80304, 87080, 100380, 104496, 114720, 130620, 133840, 148658, 149280, 160608, 174160, 200760, 208992, 222987, 261240, 267680, 297316, 348320, 371645, 401520, 445974, 520303, 522480, 594632, 743290, 803040, 891948, 1040606, 1044960, 1114935, 1189264, 1486580, 1560909, 1783896, 2081212, 2229870, 2378528, 2601515, 2973160, 3121818, 3567792, 4162424, 4459740, 5203030, 5946320, 6243636, 7135584, 7804545, 8324848, 8919480, 10406060, 11892640, 12487272, 15609090, 16649696, 17838960, 20812120, 24974544, 31218180, 35677920, 41624240, 49949088, 62436360, 83248480, 124872720, 249745440]

約数ペア:

[(1, 249745440), (2, 124872720), (3, 83248480), (4, 62436360), (5, 49949088), (6, 41624240), (7, 35677920), (8, 31218180), (10, 24974544), (12, 20812120), (14, 17838960), (15, 16649696), (16, 15609090), (20, 12487272), (21, 11892640), (24, 10406060), (28, 8919480), (30, 8324848), (32, 7804545), (35, 7135584), (40, 6243636), (42, 5946320), (48, 5203030), (56, 4459740), (60, 4162424), (70, 3567792), (80, 3121818), (84, 2973160), (96, 2601515), (105, 2378528), (112, 2229870), (120, 2081212), (140, 1783896), (160, 1560909), (168, 1486580), (210, 1189264), (224, 1114935), (239, 1044960), (240, 1040606), (280, 891948), (311, 803040), (336, 743290), (420, 594632), (478, 522480), (480, 520303), (560, 445974), (622, 401520), (672, 371645), (717, 348320), (840, 297316), (933, 267680), (956, 261240), (1120, 222987), (1195, 208992), (1244, 200760), (1434, 174160), (1555, 160608), (1673, 149280), (1680, 148658), (1866, 133840), (1912, 130620), (2177, 114720), (2390, 104496), (2488, 100380), (2868, 87080), (3110, 80304), (3346, 74640), (3360, 74329), (3585, 69664), (3732, 66920), (3824, 65310), (4354, 57360), (4665, 53536), (4780, 52248), (4976, 50190), (5019, 49760), (5736, 43540), (6220, 40152), (6531, 38240), (6692, 37320), (7170, 34832), (7464, 33460), (7648, 32655), (8365, 29856), (8708, 28680), (9330, 26768), (9560, 26124), (9952, 25095), (10038, 24880), (10885, 22944), (11472, 21770), (12440, 20076), (13062, 19120), (13384, 18660), (14340, 17416), (14928, 16730)]