320740560

素因数分解:

$2^4\times 3^5\times 5^1\times 7^1\times {\mathrm{2357}}^1$

素因数の和:2392

約数の個数: 240

約数和(自身を含む): 1277168256

約数和(自身を除く): 956427696

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 162, 168, 180, 189, 210, 216, 240, 243, 252, 270, 280, 315, 324, 336, 360, 378, 405, 420, 432, 486, 504, 540, 560, 567, 630, 648, 720, 756, 810, 840, 945, 972, 1008, 1080, 1134, 1215, 1260, 1296, 1512, 1620, 1680, 1701, 1890, 1944, 2160, 2268, 2357, 2430, 2520, 2835, 3024, 3240, 3402, 3780, 3888, 4536, 4714, 4860, 5040, 5670, 6480, 6804, 7071, 7560, 8505, 9072, 9428, 9720, 11340, 11785, 13608, 14142, 15120, 16499, 17010, 18856, 19440, 21213, 22680, 23570, 27216, 28284, 32998, 34020, 35355, 37712, 42426, 45360, 47140, 49497, 56568, 63639, 65996, 68040, 70710, 82495, 84852, 94280, 98994, 106065, 113136, 127278, 131992, 136080, 141420, 148491, 164990, 169704, 188560, 190917, 197988, 212130, 247485, 254556, 263984, 282840, 296982, 318195, 329980, 339408, 381834, 395976, 424260, 445473, 494970, 509112, 565680, 572751, 593964, 636390, 659960, 742455, 763668, 791952, 848520, 890946, 954585, 989940, 1018224, 1145502, 1187928, 1272780, 1319920, 1336419, 1484910, 1527336, 1697040, 1781892, 1909170, 1979880, 2227365, 2291004, 2375856, 2545560, 2672838, 2863755, 2969820, 3054672, 3563784, 3818340, 3959760, 4009257, 4454730, 4582008, 5091120, 5345676, 5727510, 5939640, 6682095, 7127568, 7636680, 8018514, 8909460, 9164016, 10691352, 11455020, 11879280, 13364190, 15273360, 16037028, 17818920, 20046285, 21382704, 22910040, 26728380, 32074056, 35637840, 40092570, 45820080, 53456760, 64148112, 80185140, 106913520, 160370280, 320740560]

約数ペア:

[(1, 320740560), (2, 160370280), (3, 106913520), (4, 80185140), (5, 64148112), (6, 53456760), (7, 45820080), (8, 40092570), (9, 35637840), (10, 32074056), (12, 26728380), (14, 22910040), (15, 21382704), (16, 20046285), (18, 17818920), (20, 16037028), (21, 15273360), (24, 13364190), (27, 11879280), (28, 11455020), (30, 10691352), (35, 9164016), (36, 8909460), (40, 8018514), (42, 7636680), (45, 7127568), (48, 6682095), (54, 5939640), (56, 5727510), (60, 5345676), (63, 5091120), (70, 4582008), (72, 4454730), (80, 4009257), (81, 3959760), (84, 3818340), (90, 3563784), (105, 3054672), (108, 2969820), (112, 2863755), (120, 2672838), (126, 2545560), (135, 2375856), (140, 2291004), (144, 2227365), (162, 1979880), (168, 1909170), (180, 1781892), (189, 1697040), (210, 1527336), (216, 1484910), (240, 1336419), (243, 1319920), (252, 1272780), (270, 1187928), (280, 1145502), (315, 1018224), (324, 989940), (336, 954585), (360, 890946), (378, 848520), (405, 791952), (420, 763668), (432, 742455), (486, 659960), (504, 636390), (540, 593964), (560, 572751), (567, 565680), (630, 509112), (648, 494970), (720, 445473), (756, 424260), (810, 395976), (840, 381834), (945, 339408), (972, 329980), (1008, 318195), (1080, 296982), (1134, 282840), (1215, 263984), (1260, 254556), (1296, 247485), (1512, 212130), (1620, 197988), (1680, 190917), (1701, 188560), (1890, 169704), (1944, 164990), (2160, 148491), (2268, 141420), (2357, 136080), (2430, 131992), (2520, 127278), (2835, 113136), (3024, 106065), (3240, 98994), (3402, 94280), (3780, 84852), (3888, 82495), (4536, 70710), (4714, 68040), (4860, 65996), (5040, 63639), (5670, 56568), (6480, 49497), (6804, 47140), (7071, 45360), (7560, 42426), (8505, 37712), (9072, 35355), (9428, 34020), (9720, 32998), (11340, 28284), (11785, 27216), (13608, 23570), (14142, 22680), (15120, 21213), (16499, 19440), (17010, 18856)]