209377680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{449}}^1$

素因数の和:561

約数の個数: 160

約数和(自身を含む): 682992000

約数和(自身を除く): 473614320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 67, 80, 87, 116, 120, 134, 145, 174, 201, 232, 240, 268, 290, 335, 348, 402, 435, 449, 464, 536, 580, 670, 696, 804, 870, 898, 1005, 1072, 1160, 1340, 1347, 1392, 1608, 1740, 1796, 1943, 2010, 2245, 2320, 2680, 2694, 3216, 3480, 3592, 3886, 4020, 4490, 5360, 5388, 5829, 6735, 6960, 7184, 7772, 8040, 8980, 9715, 10776, 11658, 13021, 13470, 15544, 16080, 17960, 19430, 21552, 23316, 26042, 26940, 29145, 30083, 31088, 35920, 38860, 39063, 46632, 52084, 53880, 58290, 60166, 65105, 77720, 78126, 90249, 93264, 104168, 107760, 116580, 120332, 130210, 150415, 155440, 156252, 180498, 195315, 208336, 233160, 240664, 260420, 300830, 312504, 360996, 390630, 451245, 466320, 481328, 520840, 601660, 625008, 721992, 781260, 872407, 902490, 1041680, 1203320, 1443984, 1562520, 1744814, 1804980, 2406640, 2617221, 3125040, 3489628, 3609960, 4362035, 5234442, 6979256, 7219920, 8724070, 10468884, 13086105, 13958512, 17448140, 20937768, 26172210, 34896280, 41875536, 52344420, 69792560, 104688840, 209377680]

約数ペア:

[(1, 209377680), (2, 104688840), (3, 69792560), (4, 52344420), (5, 41875536), (6, 34896280), (8, 26172210), (10, 20937768), (12, 17448140), (15, 13958512), (16, 13086105), (20, 10468884), (24, 8724070), (29, 7219920), (30, 6979256), (40, 5234442), (48, 4362035), (58, 3609960), (60, 3489628), (67, 3125040), (80, 2617221), (87, 2406640), (116, 1804980), (120, 1744814), (134, 1562520), (145, 1443984), (174, 1203320), (201, 1041680), (232, 902490), (240, 872407), (268, 781260), (290, 721992), (335, 625008), (348, 601660), (402, 520840), (435, 481328), (449, 466320), (464, 451245), (536, 390630), (580, 360996), (670, 312504), (696, 300830), (804, 260420), (870, 240664), (898, 233160), (1005, 208336), (1072, 195315), (1160, 180498), (1340, 156252), (1347, 155440), (1392, 150415), (1608, 130210), (1740, 120332), (1796, 116580), (1943, 107760), (2010, 104168), (2245, 93264), (2320, 90249), (2680, 78126), (2694, 77720), (3216, 65105), (3480, 60166), (3592, 58290), (3886, 53880), (4020, 52084), (4490, 46632), (5360, 39063), (5388, 38860), (5829, 35920), (6735, 31088), (6960, 30083), (7184, 29145), (7772, 26940), (8040, 26042), (8980, 23316), (9715, 21552), (10776, 19430), (11658, 17960), (13021, 16080), (13470, 15544)]