215043920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:413

約数の個数: 160

約数和(自身を含む): 623293440

約数和(自身を除く): 408249520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 109, 112, 130, 140, 182, 208, 218, 260, 271, 280, 364, 436, 455, 520, 542, 545, 560, 728, 763, 872, 910, 1040, 1084, 1090, 1355, 1417, 1456, 1526, 1744, 1820, 1897, 2168, 2180, 2710, 2834, 3052, 3523, 3640, 3794, 3815, 4336, 4360, 5420, 5668, 6104, 7046, 7085, 7280, 7588, 7630, 8720, 9485, 9919, 10840, 11336, 12208, 14092, 14170, 15176, 15260, 17615, 18970, 19838, 21680, 22672, 24661, 28184, 28340, 29539, 30352, 30520, 35230, 37940, 39676, 49322, 49595, 56368, 56680, 59078, 61040, 70460, 75880, 79352, 98644, 99190, 113360, 118156, 123305, 140920, 147695, 151760, 158704, 197288, 198380, 206773, 236312, 246610, 281840, 295390, 384007, 394576, 396760, 413546, 472624, 493220, 590780, 768014, 793520, 827092, 986440, 1033865, 1181560, 1536028, 1654184, 1920035, 1972880, 2067730, 2363120, 2688049, 3072056, 3308368, 3840070, 4135460, 5376098, 6144112, 7680140, 8270920, 10752196, 13440245, 15360280, 16541840, 21504392, 26880490, 30720560, 43008784, 53760980, 107521960, 215043920]

約数ペア:

[(1, 215043920), (2, 107521960), (4, 53760980), (5, 43008784), (7, 30720560), (8, 26880490), (10, 21504392), (13, 16541840), (14, 15360280), (16, 13440245), (20, 10752196), (26, 8270920), (28, 7680140), (35, 6144112), (40, 5376098), (52, 4135460), (56, 3840070), (65, 3308368), (70, 3072056), (80, 2688049), (91, 2363120), (104, 2067730), (109, 1972880), (112, 1920035), (130, 1654184), (140, 1536028), (182, 1181560), (208, 1033865), (218, 986440), (260, 827092), (271, 793520), (280, 768014), (364, 590780), (436, 493220), (455, 472624), (520, 413546), (542, 396760), (545, 394576), (560, 384007), (728, 295390), (763, 281840), (872, 246610), (910, 236312), (1040, 206773), (1084, 198380), (1090, 197288), (1355, 158704), (1417, 151760), (1456, 147695), (1526, 140920), (1744, 123305), (1820, 118156), (1897, 113360), (2168, 99190), (2180, 98644), (2710, 79352), (2834, 75880), (3052, 70460), (3523, 61040), (3640, 59078), (3794, 56680), (3815, 56368), (4336, 49595), (4360, 49322), (5420, 39676), (5668, 37940), (6104, 35230), (7046, 30520), (7085, 30352), (7280, 29539), (7588, 28340), (7630, 28184), (8720, 24661), (9485, 22672), (9919, 21680), (10840, 19838), (11336, 18970), (12208, 17615), (14092, 15260), (14170, 15176)]