660017280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{853}}^1$

素因数の和:919

約数の個数: 256

約数和(自身を含む): 2341463040

約数和(自身を除く): 1681445760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 32, 39, 40, 48, 52, 60, 62, 64, 65, 78, 80, 93, 96, 104, 120, 124, 128, 130, 155, 156, 160, 186, 192, 195, 208, 240, 248, 260, 310, 312, 320, 372, 384, 390, 403, 416, 465, 480, 496, 520, 620, 624, 640, 744, 780, 806, 832, 853, 930, 960, 992, 1040, 1209, 1240, 1248, 1488, 1560, 1612, 1664, 1706, 1860, 1920, 1984, 2015, 2080, 2418, 2480, 2496, 2559, 2976, 3120, 3224, 3412, 3720, 3968, 4030, 4160, 4265, 4836, 4960, 4992, 5118, 5952, 6045, 6240, 6448, 6824, 7440, 8060, 8320, 8530, 9672, 9920, 10236, 11089, 11904, 12090, 12480, 12795, 12896, 13648, 14880, 16120, 17060, 19344, 19840, 20472, 22178, 24180, 24960, 25590, 25792, 26443, 27296, 29760, 32240, 33267, 34120, 38688, 40944, 44356, 48360, 51180, 51584, 52886, 54592, 55445, 59520, 64480, 66534, 68240, 77376, 79329, 81888, 88712, 96720, 102360, 105772, 109184, 110890, 128960, 132215, 133068, 136480, 154752, 158658, 163776, 166335, 177424, 193440, 204720, 211544, 221780, 257920, 264430, 266136, 272960, 317316, 327552, 332670, 343759, 354848, 386880, 396645, 409440, 423088, 443560, 528860, 532272, 545920, 634632, 665340, 687518, 709696, 773760, 793290, 818880, 846176, 887120, 1031277, 1057720, 1064544, 1269264, 1330680, 1375036, 1419392, 1586580, 1637760, 1692352, 1718795, 1774240, 2062554, 2115440, 2129088, 2538528, 2661360, 2750072, 3173160, 3384704, 3437590, 3548480, 4125108, 4230880, 4258176, 5077056, 5156385, 5322720, 5500144, 6346320, 6875180, 7096960, 8250216, 8461760, 10154112, 10312770, 10645440, 11000288, 12692640, 13750360, 16500432, 16923520, 20625540, 21290880, 22000576, 25385280, 27500720, 33000864, 41251080, 44001152, 50770560, 55001440, 66001728, 82502160, 110002880, 132003456, 165004320, 220005760, 330008640, 660017280]

約数ペア:

[(1, 660017280), (2, 330008640), (3, 220005760), (4, 165004320), (5, 132003456), (6, 110002880), (8, 82502160), (10, 66001728), (12, 55001440), (13, 50770560), (15, 44001152), (16, 41251080), (20, 33000864), (24, 27500720), (26, 25385280), (30, 22000576), (31, 21290880), (32, 20625540), (39, 16923520), (40, 16500432), (48, 13750360), (52, 12692640), (60, 11000288), (62, 10645440), (64, 10312770), (65, 10154112), (78, 8461760), (80, 8250216), (93, 7096960), (96, 6875180), (104, 6346320), (120, 5500144), (124, 5322720), (128, 5156385), (130, 5077056), (155, 4258176), (156, 4230880), (160, 4125108), (186, 3548480), (192, 3437590), (195, 3384704), (208, 3173160), (240, 2750072), (248, 2661360), (260, 2538528), (310, 2129088), (312, 2115440), (320, 2062554), (372, 1774240), (384, 1718795), (390, 1692352), (403, 1637760), (416, 1586580), (465, 1419392), (480, 1375036), (496, 1330680), (520, 1269264), (620, 1064544), (624, 1057720), (640, 1031277), (744, 887120), (780, 846176), (806, 818880), (832, 793290), (853, 773760), (930, 709696), (960, 687518), (992, 665340), (1040, 634632), (1209, 545920), (1240, 532272), (1248, 528860), (1488, 443560), (1560, 423088), (1612, 409440), (1664, 396645), (1706, 386880), (1860, 354848), (1920, 343759), (1984, 332670), (2015, 327552), (2080, 317316), (2418, 272960), (2480, 266136), (2496, 264430), (2559, 257920), (2976, 221780), (3120, 211544), (3224, 204720), (3412, 193440), (3720, 177424), (3968, 166335), (4030, 163776), (4160, 158658), (4265, 154752), (4836, 136480), (4960, 133068), (4992, 132215), (5118, 128960), (5952, 110890), (6045, 109184), (6240, 105772), (6448, 102360), (6824, 96720), (7440, 88712), (8060, 81888), (8320, 79329), (8530, 77376), (9672, 68240), (9920, 66534), (10236, 64480), (11089, 59520), (11904, 55445), (12090, 54592), (12480, 52886), (12795, 51584), (12896, 51180), (13648, 48360), (14880, 44356), (16120, 40944), (17060, 38688), (19344, 34120), (19840, 33267), (20472, 32240), (22178, 29760), (24180, 27296), (24960, 26443), (25590, 25792)]