20321851680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{63857}}^1$

素因数の和:63908

約数の個数: 288

約数和(自身を含む): 79077149424

約数和(自身を除く): 58755297744

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 30, 32, 34, 36, 39, 40, 45, 48, 51, 52, 60, 65, 68, 72, 78, 80, 85, 90, 96, 102, 104, 117, 120, 130, 136, 144, 153, 156, 160, 170, 180, 195, 204, 208, 221, 234, 240, 255, 260, 272, 288, 306, 312, 340, 360, 390, 408, 416, 442, 468, 480, 510, 520, 544, 585, 612, 624, 663, 680, 720, 765, 780, 816, 884, 936, 1020, 1040, 1105, 1170, 1224, 1248, 1326, 1360, 1440, 1530, 1560, 1632, 1768, 1872, 1989, 2040, 2080, 2210, 2340, 2448, 2652, 2720, 3060, 3120, 3315, 3536, 3744, 3978, 4080, 4420, 4680, 4896, 5304, 6120, 6240, 6630, 7072, 7956, 8160, 8840, 9360, 9945, 10608, 12240, 13260, 15912, 17680, 18720, 19890, 21216, 24480, 26520, 31824, 35360, 39780, 53040, 63648, 63857, 79560, 106080, 127714, 159120, 191571, 255428, 318240, 319285, 383142, 510856, 574713, 638570, 766284, 830141, 957855, 1021712, 1085569, 1149426, 1277140, 1532568, 1660282, 1915710, 2043424, 2171138, 2298852, 2490423, 2554280, 2873565, 3065136, 3256707, 3320564, 3831420, 4150705, 4342276, 4597704, 4980846, 5108560, 5427845, 5747130, 6130272, 6513414, 6641128, 7471269, 7662840, 8301410, 8684552, 9195408, 9770121, 9961692, 10217120, 10855690, 11494260, 12452115, 13026828, 13282256, 14112397, 14942538, 15325680, 16283535, 16602820, 17369104, 18390816, 19540242, 19923384, 21711380, 22988520, 24904230, 26053656, 26564512, 28224794, 29885076, 30651360, 32567070, 33205640, 34738208, 37356345, 39080484, 39846768, 42337191, 43422760, 45977040, 48850605, 49808460, 52107312, 56449588, 59770152, 65134140, 66411280, 70561985, 74712690, 78160968, 79693536, 84674382, 86845520, 91954080, 97701210, 99616920, 104214624, 112899176, 119540304, 127011573, 130268280, 132822560, 141123970, 149425380, 156321936, 169348764, 173691040, 195402420, 199233840, 211685955, 225798352, 239080608, 254023146, 260536560, 282247940, 298850760, 312643872, 338697528, 390804840, 398467680, 423371910, 451596704, 508046292, 521073120, 564495880, 597701520, 635057865, 677395056, 781609680, 846743820, 1016092584, 1128991760, 1195403040, 1270115730, 1354790112, 1563219360, 1693487640, 2032185168, 2257983520, 2540231460, 3386975280, 4064370336, 5080462920, 6773950560, 10160925840, 20321851680]

約数ペア:

[(1, 20321851680), (2, 10160925840), (3, 6773950560), (4, 5080462920), (5, 4064370336), (6, 3386975280), (8, 2540231460), (9, 2257983520), (10, 2032185168), (12, 1693487640), (13, 1563219360), (15, 1354790112), (16, 1270115730), (17, 1195403040), (18, 1128991760), (20, 1016092584), (24, 846743820), (26, 781609680), (30, 677395056), (32, 635057865), (34, 597701520), (36, 564495880), (39, 521073120), (40, 508046292), (45, 451596704), (48, 423371910), (51, 398467680), (52, 390804840), (60, 338697528), (65, 312643872), (68, 298850760), (72, 282247940), (78, 260536560), (80, 254023146), (85, 239080608), (90, 225798352), (96, 211685955), (102, 199233840), (104, 195402420), (117, 173691040), (120, 169348764), (130, 156321936), (136, 149425380), (144, 141123970), (153, 132822560), (156, 130268280), (160, 127011573), (170, 119540304), (180, 112899176), (195, 104214624), (204, 99616920), (208, 97701210), (221, 91954080), (234, 86845520), (240, 84674382), (255, 79693536), (260, 78160968), (272, 74712690), (288, 70561985), (306, 66411280), (312, 65134140), (340, 59770152), (360, 56449588), (390, 52107312), (408, 49808460), (416, 48850605), (442, 45977040), (468, 43422760), (480, 42337191), (510, 39846768), (520, 39080484), (544, 37356345), (585, 34738208), (612, 33205640), (624, 32567070), (663, 30651360), (680, 29885076), (720, 28224794), (765, 26564512), (780, 26053656), (816, 24904230), (884, 22988520), (936, 21711380), (1020, 19923384), (1040, 19540242), (1105, 18390816), (1170, 17369104), (1224, 16602820), (1248, 16283535), (1326, 15325680), (1360, 14942538), (1440, 14112397), (1530, 13282256), (1560, 13026828), (1632, 12452115), (1768, 11494260), (1872, 10855690), (1989, 10217120), (2040, 9961692), (2080, 9770121), (2210, 9195408), (2340, 8684552), (2448, 8301410), (2652, 7662840), (2720, 7471269), (3060, 6641128), (3120, 6513414), (3315, 6130272), (3536, 5747130), (3744, 5427845), (3978, 5108560), (4080, 4980846), (4420, 4597704), (4680, 4342276), (4896, 4150705), (5304, 3831420), (6120, 3320564), (6240, 3256707), (6630, 3065136), (7072, 2873565), (7956, 2554280), (8160, 2490423), (8840, 2298852), (9360, 2171138), (9945, 2043424), (10608, 1915710), (12240, 1660282), (13260, 1532568), (15912, 1277140), (17680, 1149426), (18720, 1085569), (19890, 1021712), (21216, 957855), (24480, 830141), (26520, 766284), (31824, 638570), (35360, 574713), (39780, 510856), (53040, 383142), (63648, 319285), (63857, 318240), (79560, 255428), (106080, 191571), (127714, 159120)]