72389520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:350

約数の個数: 240

約数和(自身を含む): 284124672

約数和(自身を除く): 211735152

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 53, 56, 60, 63, 70, 72, 80, 84, 90, 105, 106, 112, 120, 126, 140, 144, 159, 168, 180, 210, 212, 240, 252, 265, 271, 280, 315, 318, 336, 360, 371, 420, 424, 477, 504, 530, 542, 560, 630, 636, 720, 742, 795, 813, 840, 848, 954, 1008, 1060, 1084, 1113, 1260, 1272, 1355, 1484, 1590, 1626, 1680, 1855, 1897, 1908, 2120, 2168, 2226, 2385, 2439, 2520, 2544, 2710, 2968, 3180, 3252, 3339, 3710, 3794, 3816, 4065, 4240, 4336, 4452, 4770, 4878, 5040, 5420, 5565, 5691, 5936, 6360, 6504, 6678, 7420, 7588, 7632, 8130, 8904, 9485, 9540, 9756, 10840, 11130, 11382, 12195, 12720, 13008, 13356, 14363, 14840, 15176, 16260, 16695, 17073, 17808, 18970, 19080, 19512, 21680, 22260, 22764, 24390, 26712, 28455, 28726, 29680, 30352, 32520, 33390, 34146, 37940, 38160, 39024, 43089, 44520, 45528, 48780, 53424, 56910, 57452, 65040, 66780, 68292, 71815, 75880, 85365, 86178, 89040, 91056, 97560, 100541, 113820, 114904, 129267, 133560, 136584, 143630, 151760, 170730, 172356, 195120, 201082, 215445, 227640, 229808, 258534, 267120, 273168, 287260, 301623, 341460, 344712, 402164, 430890, 455280, 502705, 517068, 574520, 603246, 646335, 682920, 689424, 804328, 861780, 904869, 1005410, 1034136, 1149040, 1206492, 1292670, 1365840, 1508115, 1608656, 1723560, 1809738, 2010820, 2068272, 2412984, 2585340, 3016230, 3447120, 3619476, 4021640, 4524345, 4825968, 5170680, 6032460, 7238952, 8043280, 9048690, 10341360, 12064920, 14477904, 18097380, 24129840, 36194760, 72389520]

約数ペア:

[(1, 72389520), (2, 36194760), (3, 24129840), (4, 18097380), (5, 14477904), (6, 12064920), (7, 10341360), (8, 9048690), (9, 8043280), (10, 7238952), (12, 6032460), (14, 5170680), (15, 4825968), (16, 4524345), (18, 4021640), (20, 3619476), (21, 3447120), (24, 3016230), (28, 2585340), (30, 2412984), (35, 2068272), (36, 2010820), (40, 1809738), (42, 1723560), (45, 1608656), (48, 1508115), (53, 1365840), (56, 1292670), (60, 1206492), (63, 1149040), (70, 1034136), (72, 1005410), (80, 904869), (84, 861780), (90, 804328), (105, 689424), (106, 682920), (112, 646335), (120, 603246), (126, 574520), (140, 517068), (144, 502705), (159, 455280), (168, 430890), (180, 402164), (210, 344712), (212, 341460), (240, 301623), (252, 287260), (265, 273168), (271, 267120), (280, 258534), (315, 229808), (318, 227640), (336, 215445), (360, 201082), (371, 195120), (420, 172356), (424, 170730), (477, 151760), (504, 143630), (530, 136584), (542, 133560), (560, 129267), (630, 114904), (636, 113820), (720, 100541), (742, 97560), (795, 91056), (813, 89040), (840, 86178), (848, 85365), (954, 75880), (1008, 71815), (1060, 68292), (1084, 66780), (1113, 65040), (1260, 57452), (1272, 56910), (1355, 53424), (1484, 48780), (1590, 45528), (1626, 44520), (1680, 43089), (1855, 39024), (1897, 38160), (1908, 37940), (2120, 34146), (2168, 33390), (2226, 32520), (2385, 30352), (2439, 29680), (2520, 28726), (2544, 28455), (2710, 26712), (2968, 24390), (3180, 22764), (3252, 22260), (3339, 21680), (3710, 19512), (3794, 19080), (3816, 18970), (4065, 17808), (4240, 17073), (4336, 16695), (4452, 16260), (4770, 15176), (4878, 14840), (5040, 14363), (5420, 13356), (5565, 13008), (5691, 12720), (5936, 12195), (6360, 11382), (6504, 11130), (6678, 10840), (7420, 9756), (7588, 9540), (7632, 9485), (8130, 8904)]