21520985280

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1\times {\mathrm{853}}^1$

素因数の和:1555

約数の個数: 224

約数和(自身を含む): 70187076288

約数和(自身を除く): 48666091008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 64, 80, 82, 96, 120, 123, 160, 164, 192, 205, 240, 246, 320, 328, 410, 480, 492, 615, 641, 656, 820, 853, 960, 984, 1230, 1282, 1312, 1640, 1706, 1923, 1968, 2460, 2559, 2564, 2624, 3205, 3280, 3412, 3846, 3936, 4265, 4920, 5118, 5128, 6410, 6560, 6824, 7692, 7872, 8530, 9615, 9840, 10236, 10256, 12795, 12820, 13120, 13648, 15384, 17060, 19230, 19680, 20472, 20512, 25590, 25640, 26281, 27296, 30768, 34120, 34973, 38460, 39360, 40944, 41024, 51180, 51280, 52562, 54592, 61536, 68240, 69946, 76920, 78843, 81888, 102360, 102560, 104919, 105124, 123072, 131405, 136480, 139892, 153840, 157686, 163776, 174865, 204720, 205120, 209838, 210248, 262810, 272960, 279784, 307680, 315372, 349730, 394215, 409440, 419676, 420496, 524595, 525620, 546773, 559568, 615360, 630744, 699460, 788430, 818880, 839352, 840992, 1049190, 1051240, 1093546, 1119136, 1261488, 1398920, 1576860, 1640319, 1678704, 1681984, 2098380, 2102480, 2187092, 2238272, 2522976, 2733865, 2797840, 3153720, 3280638, 3357408, 4196760, 4204960, 4374184, 5045952, 5467730, 5595680, 6307440, 6561276, 6714816, 8201595, 8393520, 8409920, 8748368, 10935460, 11191360, 12614880, 13122552, 16403190, 16787040, 17496736, 21870920, 22417693, 25229760, 26245104, 32806380, 33574080, 34993472, 43741840, 44835386, 52490208, 65612760, 67253079, 87483680, 89670772, 104980416, 112088465, 131225520, 134506158, 174967360, 179341544, 224176930, 262451040, 269012316, 336265395, 358683088, 448353860, 524902080, 538024632, 672530790, 717366176, 896707720, 1076049264, 1345061580, 1434732352, 1793415440, 2152098528, 2690123160, 3586830880, 4304197056, 5380246320, 7173661760, 10760492640, 21520985280]

約数ペア:

[(1, 21520985280), (2, 10760492640), (3, 7173661760), (4, 5380246320), (5, 4304197056), (6, 3586830880), (8, 2690123160), (10, 2152098528), (12, 1793415440), (15, 1434732352), (16, 1345061580), (20, 1076049264), (24, 896707720), (30, 717366176), (32, 672530790), (40, 538024632), (41, 524902080), (48, 448353860), (60, 358683088), (64, 336265395), (80, 269012316), (82, 262451040), (96, 224176930), (120, 179341544), (123, 174967360), (160, 134506158), (164, 131225520), (192, 112088465), (205, 104980416), (240, 89670772), (246, 87483680), (320, 67253079), (328, 65612760), (410, 52490208), (480, 44835386), (492, 43741840), (615, 34993472), (641, 33574080), (656, 32806380), (820, 26245104), (853, 25229760), (960, 22417693), (984, 21870920), (1230, 17496736), (1282, 16787040), (1312, 16403190), (1640, 13122552), (1706, 12614880), (1923, 11191360), (1968, 10935460), (2460, 8748368), (2559, 8409920), (2564, 8393520), (2624, 8201595), (3205, 6714816), (3280, 6561276), (3412, 6307440), (3846, 5595680), (3936, 5467730), (4265, 5045952), (4920, 4374184), (5118, 4204960), (5128, 4196760), (6410, 3357408), (6560, 3280638), (6824, 3153720), (7692, 2797840), (7872, 2733865), (8530, 2522976), (9615, 2238272), (9840, 2187092), (10236, 2102480), (10256, 2098380), (12795, 1681984), (12820, 1678704), (13120, 1640319), (13648, 1576860), (15384, 1398920), (17060, 1261488), (19230, 1119136), (19680, 1093546), (20472, 1051240), (20512, 1049190), (25590, 840992), (25640, 839352), (26281, 818880), (27296, 788430), (30768, 699460), (34120, 630744), (34973, 615360), (38460, 559568), (39360, 546773), (40944, 525620), (41024, 524595), (51180, 420496), (51280, 419676), (52562, 409440), (54592, 394215), (61536, 349730), (68240, 315372), (69946, 307680), (76920, 279784), (78843, 272960), (81888, 262810), (102360, 210248), (102560, 209838), (104919, 205120), (105124, 204720), (123072, 174865), (131405, 163776), (136480, 157686), (139892, 153840)]