289721520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{233}}^1$

素因数の和:420

約数の個数: 240

約数和(自身を含む): 1072779552

約数和(自身を除く): 783058032

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 157, 165, 176, 180, 198, 220, 233, 240, 264, 314, 330, 360, 396, 440, 466, 471, 495, 528, 628, 660, 699, 720, 785, 792, 880, 932, 942, 990, 1165, 1256, 1320, 1398, 1413, 1570, 1584, 1727, 1864, 1884, 1980, 2097, 2330, 2355, 2512, 2563, 2640, 2796, 2826, 3140, 3454, 3495, 3728, 3768, 3960, 4194, 4660, 4710, 5126, 5181, 5592, 5652, 6280, 6908, 6990, 7065, 7536, 7689, 7920, 8388, 8635, 9320, 9420, 10252, 10362, 10485, 11184, 11304, 12560, 12815, 13816, 13980, 14130, 15378, 15543, 16776, 17270, 18640, 18840, 20504, 20724, 20970, 22608, 23067, 25630, 25905, 27632, 27960, 28260, 30756, 31086, 33552, 34540, 36581, 37680, 38445, 41008, 41448, 41940, 46134, 51260, 51810, 55920, 56520, 61512, 62172, 69080, 73162, 76890, 77715, 82896, 83880, 92268, 102520, 103620, 109743, 113040, 115335, 123024, 124344, 138160, 146324, 153780, 155430, 167760, 182905, 184536, 205040, 207240, 219486, 230670, 248688, 292648, 307560, 310860, 329229, 365810, 369072, 402391, 414480, 438972, 461340, 548715, 585296, 615120, 621720, 658458, 731620, 804782, 877944, 922680, 1097430, 1207173, 1243440, 1316916, 1463240, 1609564, 1646145, 1755888, 1845360, 2011955, 2194860, 2414346, 2633832, 2926480, 3219128, 3292290, 3621519, 4023910, 4389720, 4828692, 5267664, 6035865, 6438256, 6584580, 7243038, 8047820, 8779440, 9657384, 12071730, 13169160, 14486076, 16095640, 18107595, 19314768, 24143460, 26338320, 28972152, 32191280, 36215190, 48286920, 57944304, 72430380, 96573840, 144860760, 289721520]

約数ペア:

[(1, 289721520), (2, 144860760), (3, 96573840), (4, 72430380), (5, 57944304), (6, 48286920), (8, 36215190), (9, 32191280), (10, 28972152), (11, 26338320), (12, 24143460), (15, 19314768), (16, 18107595), (18, 16095640), (20, 14486076), (22, 13169160), (24, 12071730), (30, 9657384), (33, 8779440), (36, 8047820), (40, 7243038), (44, 6584580), (45, 6438256), (48, 6035865), (55, 5267664), (60, 4828692), (66, 4389720), (72, 4023910), (80, 3621519), (88, 3292290), (90, 3219128), (99, 2926480), (110, 2633832), (120, 2414346), (132, 2194860), (144, 2011955), (157, 1845360), (165, 1755888), (176, 1646145), (180, 1609564), (198, 1463240), (220, 1316916), (233, 1243440), (240, 1207173), (264, 1097430), (314, 922680), (330, 877944), (360, 804782), (396, 731620), (440, 658458), (466, 621720), (471, 615120), (495, 585296), (528, 548715), (628, 461340), (660, 438972), (699, 414480), (720, 402391), (785, 369072), (792, 365810), (880, 329229), (932, 310860), (942, 307560), (990, 292648), (1165, 248688), (1256, 230670), (1320, 219486), (1398, 207240), (1413, 205040), (1570, 184536), (1584, 182905), (1727, 167760), (1864, 155430), (1884, 153780), (1980, 146324), (2097, 138160), (2330, 124344), (2355, 123024), (2512, 115335), (2563, 113040), (2640, 109743), (2796, 103620), (2826, 102520), (3140, 92268), (3454, 83880), (3495, 82896), (3728, 77715), (3768, 76890), (3960, 73162), (4194, 69080), (4660, 62172), (4710, 61512), (5126, 56520), (5181, 55920), (5592, 51810), (5652, 51260), (6280, 46134), (6908, 41940), (6990, 41448), (7065, 41008), (7536, 38445), (7689, 37680), (7920, 36581), (8388, 34540), (8635, 33552), (9320, 31086), (9420, 30756), (10252, 28260), (10362, 27960), (10485, 27632), (11184, 25905), (11304, 25630), (12560, 23067), (12815, 22608), (13816, 20970), (13980, 20724), (14130, 20504), (15378, 18840), (15543, 18640), (16776, 17270)]