320760720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2053}}^1$

素因数の和:2110

約数の個数: 240

約数和(自身を含む): 1271442432

約数和(自身を除く): 950681712

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 105, 112, 120, 124, 126, 140, 144, 155, 168, 180, 186, 210, 217, 240, 248, 252, 279, 280, 310, 315, 336, 360, 372, 420, 434, 465, 496, 504, 558, 560, 620, 630, 651, 720, 744, 840, 868, 930, 1008, 1085, 1116, 1240, 1260, 1302, 1395, 1488, 1680, 1736, 1860, 1953, 2053, 2170, 2232, 2480, 2520, 2604, 2790, 3255, 3472, 3720, 3906, 4106, 4340, 4464, 5040, 5208, 5580, 6159, 6510, 7440, 7812, 8212, 8680, 9765, 10265, 10416, 11160, 12318, 13020, 14371, 15624, 16424, 17360, 18477, 19530, 20530, 22320, 24636, 26040, 28742, 30795, 31248, 32848, 36954, 39060, 41060, 43113, 49272, 52080, 57484, 61590, 63643, 71855, 73908, 78120, 82120, 86226, 92385, 98544, 114968, 123180, 127286, 129339, 143710, 147816, 156240, 164240, 172452, 184770, 190929, 215565, 229936, 246360, 254572, 258678, 287420, 295632, 318215, 344904, 369540, 381858, 431130, 445501, 492720, 509144, 517356, 572787, 574840, 636430, 646695, 689808, 739080, 763716, 862260, 891002, 954645, 1018288, 1034712, 1145574, 1149680, 1272860, 1293390, 1336503, 1478160, 1527432, 1724520, 1782004, 1909290, 2069424, 2227505, 2291148, 2545720, 2586780, 2673006, 2863935, 3054864, 3449040, 3564008, 3818580, 4009509, 4455010, 4582296, 5091440, 5173560, 5346012, 5727870, 6682515, 7128016, 7637160, 8019018, 8910020, 9164592, 10347120, 10692024, 11455740, 13365030, 15274320, 16038036, 17820040, 20047545, 21384048, 22911480, 26730060, 32076072, 35640080, 40095090, 45822960, 53460120, 64152144, 80190180, 106920240, 160380360, 320760720]

約数ペア:

[(1, 320760720), (2, 160380360), (3, 106920240), (4, 80190180), (5, 64152144), (6, 53460120), (7, 45822960), (8, 40095090), (9, 35640080), (10, 32076072), (12, 26730060), (14, 22911480), (15, 21384048), (16, 20047545), (18, 17820040), (20, 16038036), (21, 15274320), (24, 13365030), (28, 11455740), (30, 10692024), (31, 10347120), (35, 9164592), (36, 8910020), (40, 8019018), (42, 7637160), (45, 7128016), (48, 6682515), (56, 5727870), (60, 5346012), (62, 5173560), (63, 5091440), (70, 4582296), (72, 4455010), (80, 4009509), (84, 3818580), (90, 3564008), (93, 3449040), (105, 3054864), (112, 2863935), (120, 2673006), (124, 2586780), (126, 2545720), (140, 2291148), (144, 2227505), (155, 2069424), (168, 1909290), (180, 1782004), (186, 1724520), (210, 1527432), (217, 1478160), (240, 1336503), (248, 1293390), (252, 1272860), (279, 1149680), (280, 1145574), (310, 1034712), (315, 1018288), (336, 954645), (360, 891002), (372, 862260), (420, 763716), (434, 739080), (465, 689808), (496, 646695), (504, 636430), (558, 574840), (560, 572787), (620, 517356), (630, 509144), (651, 492720), (720, 445501), (744, 431130), (840, 381858), (868, 369540), (930, 344904), (1008, 318215), (1085, 295632), (1116, 287420), (1240, 258678), (1260, 254572), (1302, 246360), (1395, 229936), (1488, 215565), (1680, 190929), (1736, 184770), (1860, 172452), (1953, 164240), (2053, 156240), (2170, 147816), (2232, 143710), (2480, 129339), (2520, 127286), (2604, 123180), (2790, 114968), (3255, 98544), (3472, 92385), (3720, 86226), (3906, 82120), (4106, 78120), (4340, 73908), (4464, 71855), (5040, 63643), (5208, 61590), (5580, 57484), (6159, 52080), (6510, 49272), (7440, 43113), (7812, 41060), (8212, 39060), (8680, 36954), (9765, 32848), (10265, 31248), (10416, 30795), (11160, 28742), (12318, 26040), (13020, 24636), (14371, 22320), (15624, 20530), (16424, 19530), (17360, 18477)]