21551323680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{139871}}^1$

素因数の和:139999

約数の個数: 144

約数和(自身を含む): 74231748864

約数和(自身を除く): 52680425184

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 107, 120, 144, 160, 180, 214, 240, 288, 321, 360, 428, 480, 535, 642, 720, 856, 963, 1070, 1284, 1440, 1605, 1712, 1926, 2140, 2568, 3210, 3424, 3852, 4280, 4815, 5136, 6420, 7704, 8560, 9630, 10272, 12840, 15408, 17120, 19260, 25680, 30816, 38520, 51360, 77040, 139871, 154080, 279742, 419613, 559484, 699355, 839226, 1118968, 1258839, 1398710, 1678452, 2098065, 2237936, 2517678, 2797420, 3356904, 4196130, 4475872, 5035356, 5594840, 6294195, 6713808, 8392260, 10070712, 11189680, 12588390, 13427616, 14966197, 16784520, 20141424, 22379360, 25176780, 29932394, 33569040, 40282848, 44898591, 50353560, 59864788, 67138080, 74830985, 89797182, 100707120, 119729576, 134695773, 149661970, 179594364, 201414240, 224492955, 239459152, 269391546, 299323940, 359188728, 448985910, 478918304, 538783092, 598647880, 673478865, 718377456, 897971820, 1077566184, 1197295760, 1346957730, 1436754912, 1795943640, 2155132368, 2394591520, 2693915460, 3591887280, 4310264736, 5387830920, 7183774560, 10775661840, 21551323680]

約数ペア:

[(1, 21551323680), (2, 10775661840), (3, 7183774560), (4, 5387830920), (5, 4310264736), (6, 3591887280), (8, 2693915460), (9, 2394591520), (10, 2155132368), (12, 1795943640), (15, 1436754912), (16, 1346957730), (18, 1197295760), (20, 1077566184), (24, 897971820), (30, 718377456), (32, 673478865), (36, 598647880), (40, 538783092), (45, 478918304), (48, 448985910), (60, 359188728), (72, 299323940), (80, 269391546), (90, 239459152), (96, 224492955), (107, 201414240), (120, 179594364), (144, 149661970), (160, 134695773), (180, 119729576), (214, 100707120), (240, 89797182), (288, 74830985), (321, 67138080), (360, 59864788), (428, 50353560), (480, 44898591), (535, 40282848), (642, 33569040), (720, 29932394), (856, 25176780), (963, 22379360), (1070, 20141424), (1284, 16784520), (1440, 14966197), (1605, 13427616), (1712, 12588390), (1926, 11189680), (2140, 10070712), (2568, 8392260), (3210, 6713808), (3424, 6294195), (3852, 5594840), (4280, 5035356), (4815, 4475872), (5136, 4196130), (6420, 3356904), (7704, 2797420), (8560, 2517678), (9630, 2237936), (10272, 2098065), (12840, 1678452), (15408, 1398710), (17120, 1258839), (19260, 1118968), (25680, 839226), (30816, 699355), (38520, 559484), (51360, 419613), (77040, 279742), (139871, 154080)]