641481120

素因数分解:

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

素因数の和:2394

約数の個数: 288

約数和(自身を含む): 2595535488

約数和(自身を除く): 1954054368

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 243, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 486, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 972, 1008, 1080, 1120, 1134, 1215, 1260, 1296, 1440, 1512, 1620, 1680, 1701, 1890, 1944, 2016, 2160, 2268, 2357, 2430, 2520, 2592, 2835, 3024, 3240, 3360, 3402, 3780, 3888, 4320, 4536, 4714, 4860, 5040, 5670, 6048, 6480, 6804, 7071, 7560, 7776, 8505, 9072, 9428, 9720, 10080, 11340, 11785, 12960, 13608, 14142, 15120, 16499, 17010, 18144, 18856, 19440, 21213, 22680, 23570, 27216, 28284, 30240, 32998, 34020, 35355, 37712, 38880, 42426, 45360, 47140, 49497, 54432, 56568, 63639, 65996, 68040, 70710, 75424, 82495, 84852, 90720, 94280, 98994, 106065, 113136, 127278, 131992, 136080, 141420, 148491, 164990, 169704, 188560, 190917, 197988, 212130, 226272, 247485, 254556, 263984, 272160, 282840, 296982, 318195, 329980, 339408, 377120, 381834, 395976, 424260, 445473, 494970, 509112, 527968, 565680, 572751, 593964, 636390, 659960, 678816, 742455, 763668, 791952, 848520, 890946, 954585, 989940, 1018224, 1131360, 1145502, 1187928, 1272780, 1319920, 1336419, 1484910, 1527336, 1583904, 1697040, 1781892, 1909170, 1979880, 2036448, 2227365, 2291004, 2375856, 2545560, 2639840, 2672838, 2863755, 2969820, 3054672, 3394080, 3563784, 3818340, 3959760, 4009257, 4454730, 4582008, 4751712, 5091120, 5345676, 5727510, 5939640, 6109344, 6682095, 7127568, 7636680, 7919520, 8018514, 8909460, 9164016, 10182240, 10691352, 11455020, 11879280, 13364190, 14255136, 15273360, 16037028, 17818920, 18328032, 20046285, 21382704, 22910040, 23758560, 26728380, 30546720, 32074056, 35637840, 40092570, 42765408, 45820080, 53456760, 64148112, 71275680, 80185140, 91640160, 106913520, 128296224, 160370280, 213827040, 320740560, 641481120]

約数ペア:

[(1, 641481120), (2, 320740560), (3, 213827040), (4, 160370280), (5, 128296224), (6, 106913520), (7, 91640160), (8, 80185140), (9, 71275680), (10, 64148112), (12, 53456760), (14, 45820080), (15, 42765408), (16, 40092570), (18, 35637840), (20, 32074056), (21, 30546720), (24, 26728380), (27, 23758560), (28, 22910040), (30, 21382704), (32, 20046285), (35, 18328032), (36, 17818920), (40, 16037028), (42, 15273360), (45, 14255136), (48, 13364190), (54, 11879280), (56, 11455020), (60, 10691352), (63, 10182240), (70, 9164016), (72, 8909460), (80, 8018514), (81, 7919520), (84, 7636680), (90, 7127568), (96, 6682095), (105, 6109344), (108, 5939640), (112, 5727510), (120, 5345676), (126, 5091120), (135, 4751712), (140, 4582008), (144, 4454730), (160, 4009257), (162, 3959760), (168, 3818340), (180, 3563784), (189, 3394080), (210, 3054672), (216, 2969820), (224, 2863755), (240, 2672838), (243, 2639840), (252, 2545560), (270, 2375856), (280, 2291004), (288, 2227365), (315, 2036448), (324, 1979880), (336, 1909170), (360, 1781892), (378, 1697040), (405, 1583904), (420, 1527336), (432, 1484910), (480, 1336419), (486, 1319920), (504, 1272780), (540, 1187928), (560, 1145502), (567, 1131360), (630, 1018224), (648, 989940), (672, 954585), (720, 890946), (756, 848520), (810, 791952), (840, 763668), (864, 742455), (945, 678816), (972, 659960), (1008, 636390), (1080, 593964), (1120, 572751), (1134, 565680), (1215, 527968), (1260, 509112), (1296, 494970), (1440, 445473), (1512, 424260), (1620, 395976), (1680, 381834), (1701, 377120), (1890, 339408), (1944, 329980), (2016, 318195), (2160, 296982), (2268, 282840), (2357, 272160), (2430, 263984), (2520, 254556), (2592, 247485), (2835, 226272), (3024, 212130), (3240, 197988), (3360, 190917), (3402, 188560), (3780, 169704), (3888, 164990), (4320, 148491), (4536, 141420), (4714, 136080), (4860, 131992), (5040, 127278), (5670, 113136), (6048, 106065), (6480, 98994), (6804, 94280), (7071, 90720), (7560, 84852), (7776, 82495), (8505, 75424), (9072, 70710), (9428, 68040), (9720, 65996), (10080, 63639), (11340, 56568), (11785, 54432), (12960, 49497), (13608, 47140), (14142, 45360), (15120, 42426), (16499, 38880), (17010, 37712), (18144, 35355), (18856, 34020), (19440, 32998), (21213, 30240), (22680, 28284), (23570, 27216)]