256024080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1609}}^1$

素因数の和:1658

約数の個数: 240

約数和(自身を含む): 981030960

約数和(自身を除く): 725006880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 30, 34, 36, 39, 40, 45, 48, 51, 52, 60, 65, 68, 72, 78, 80, 85, 90, 102, 104, 117, 120, 130, 136, 144, 153, 156, 170, 180, 195, 204, 208, 221, 234, 240, 255, 260, 272, 306, 312, 340, 360, 390, 408, 442, 468, 510, 520, 585, 612, 624, 663, 680, 720, 765, 780, 816, 884, 936, 1020, 1040, 1105, 1170, 1224, 1326, 1360, 1530, 1560, 1609, 1768, 1872, 1989, 2040, 2210, 2340, 2448, 2652, 3060, 3120, 3218, 3315, 3536, 3978, 4080, 4420, 4680, 4827, 5304, 6120, 6436, 6630, 7956, 8045, 8840, 9360, 9654, 9945, 10608, 12240, 12872, 13260, 14481, 15912, 16090, 17680, 19308, 19890, 20917, 24135, 25744, 26520, 27353, 28962, 31824, 32180, 38616, 39780, 41834, 48270, 53040, 54706, 57924, 62751, 64360, 72405, 77232, 79560, 82059, 83668, 96540, 104585, 109412, 115848, 125502, 128720, 136765, 144810, 159120, 164118, 167336, 188253, 193080, 209170, 218824, 231696, 246177, 251004, 273530, 289620, 313755, 328236, 334672, 355589, 376506, 386160, 410295, 418340, 437648, 492354, 502008, 547060, 579240, 627510, 656472, 711178, 753012, 820590, 836680, 941265, 984708, 1004016, 1066767, 1094120, 1158480, 1230885, 1255020, 1312944, 1422356, 1506024, 1641180, 1673360, 1777945, 1882530, 1969416, 2133534, 2188240, 2461770, 2510040, 2844712, 3012048, 3200301, 3282360, 3555890, 3765060, 3938832, 4267068, 4923540, 5020080, 5333835, 5689424, 6400602, 6564720, 7111780, 7530120, 8534136, 9847080, 10667670, 12801204, 14223560, 15060240, 16001505, 17068272, 19694160, 21335340, 25602408, 28447120, 32003010, 42670680, 51204816, 64006020, 85341360, 128012040, 256024080]

約数ペア:

[(1, 256024080), (2, 128012040), (3, 85341360), (4, 64006020), (5, 51204816), (6, 42670680), (8, 32003010), (9, 28447120), (10, 25602408), (12, 21335340), (13, 19694160), (15, 17068272), (16, 16001505), (17, 15060240), (18, 14223560), (20, 12801204), (24, 10667670), (26, 9847080), (30, 8534136), (34, 7530120), (36, 7111780), (39, 6564720), (40, 6400602), (45, 5689424), (48, 5333835), (51, 5020080), (52, 4923540), (60, 4267068), (65, 3938832), (68, 3765060), (72, 3555890), (78, 3282360), (80, 3200301), (85, 3012048), (90, 2844712), (102, 2510040), (104, 2461770), (117, 2188240), (120, 2133534), (130, 1969416), (136, 1882530), (144, 1777945), (153, 1673360), (156, 1641180), (170, 1506024), (180, 1422356), (195, 1312944), (204, 1255020), (208, 1230885), (221, 1158480), (234, 1094120), (240, 1066767), (255, 1004016), (260, 984708), (272, 941265), (306, 836680), (312, 820590), (340, 753012), (360, 711178), (390, 656472), (408, 627510), (442, 579240), (468, 547060), (510, 502008), (520, 492354), (585, 437648), (612, 418340), (624, 410295), (663, 386160), (680, 376506), (720, 355589), (765, 334672), (780, 328236), (816, 313755), (884, 289620), (936, 273530), (1020, 251004), (1040, 246177), (1105, 231696), (1170, 218824), (1224, 209170), (1326, 193080), (1360, 188253), (1530, 167336), (1560, 164118), (1609, 159120), (1768, 144810), (1872, 136765), (1989, 128720), (2040, 125502), (2210, 115848), (2340, 109412), (2448, 104585), (2652, 96540), (3060, 83668), (3120, 82059), (3218, 79560), (3315, 77232), (3536, 72405), (3978, 64360), (4080, 62751), (4420, 57924), (4680, 54706), (4827, 53040), (5304, 48270), (6120, 41834), (6436, 39780), (6630, 38616), (7956, 32180), (8045, 31824), (8840, 28962), (9360, 27353), (9654, 26520), (9945, 25744), (10608, 24135), (12240, 20917), (12872, 19890), (13260, 19308), (14481, 17680), (15912, 16090)]