128237200

素因数分解:

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

素因数の和:322

約数の個数: 180

約数和(自身を含む): 382677888

約数和(自身を除く): 254440688

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 80, 91, 100, 104, 112, 130, 140, 169, 175, 182, 200, 208, 260, 271, 280, 325, 338, 350, 364, 400, 455, 520, 542, 560, 650, 676, 700, 728, 845, 910, 1040, 1084, 1183, 1300, 1352, 1355, 1400, 1456, 1690, 1820, 1897, 2168, 2275, 2366, 2600, 2704, 2710, 2800, 3380, 3523, 3640, 3794, 4225, 4336, 4550, 4732, 5200, 5420, 5915, 6760, 6775, 7046, 7280, 7588, 8450, 9100, 9464, 9485, 10840, 11830, 13520, 13550, 14092, 15176, 16900, 17615, 18200, 18928, 18970, 21680, 23660, 24661, 27100, 28184, 29575, 30352, 33800, 35230, 36400, 37940, 45799, 47320, 47425, 49322, 54200, 56368, 59150, 67600, 70460, 75880, 88075, 91598, 94640, 94850, 98644, 108400, 118300, 123305, 140920, 151760, 176150, 183196, 189700, 197288, 228995, 236600, 246610, 281840, 320593, 352300, 366392, 379400, 394576, 457990, 473200, 493220, 616525, 641186, 704600, 732784, 758800, 915980, 986440, 1144975, 1233050, 1282372, 1409200, 1602965, 1831960, 1972880, 2289950, 2466100, 2564744, 3205930, 3663920, 4579900, 4932200, 5129488, 6411860, 8014825, 9159800, 9864400, 12823720, 16029650, 18319600, 25647440, 32059300, 64118600, 128237200]

約数ペア:

[(1, 128237200), (2, 64118600), (4, 32059300), (5, 25647440), (7, 18319600), (8, 16029650), (10, 12823720), (13, 9864400), (14, 9159800), (16, 8014825), (20, 6411860), (25, 5129488), (26, 4932200), (28, 4579900), (35, 3663920), (40, 3205930), (50, 2564744), (52, 2466100), (56, 2289950), (65, 1972880), (70, 1831960), (80, 1602965), (91, 1409200), (100, 1282372), (104, 1233050), (112, 1144975), (130, 986440), (140, 915980), (169, 758800), (175, 732784), (182, 704600), (200, 641186), (208, 616525), (260, 493220), (271, 473200), (280, 457990), (325, 394576), (338, 379400), (350, 366392), (364, 352300), (400, 320593), (455, 281840), (520, 246610), (542, 236600), (560, 228995), (650, 197288), (676, 189700), (700, 183196), (728, 176150), (845, 151760), (910, 140920), (1040, 123305), (1084, 118300), (1183, 108400), (1300, 98644), (1352, 94850), (1355, 94640), (1400, 91598), (1456, 88075), (1690, 75880), (1820, 70460), (1897, 67600), (2168, 59150), (2275, 56368), (2366, 54200), (2600, 49322), (2704, 47425), (2710, 47320), (2800, 45799), (3380, 37940), (3523, 36400), (3640, 35230), (3794, 33800), (4225, 30352), (4336, 29575), (4550, 28184), (4732, 27100), (5200, 24661), (5420, 23660), (5915, 21680), (6760, 18970), (6775, 18928), (7046, 18200), (7280, 17615), (7588, 16900), (8450, 15176), (9100, 14092), (9464, 13550), (9485, 13520), (10840, 11830)]