638808480

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{547}}^1\times {\mathrm{811}}^1$

素因数の和:1379

約数の個数: 144

約数和(自身を含む): 2186612064

約数和(自身を除く): 1547803584

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, 120, 144, 160, 180, 240, 288, 360, 480, 547, 720, 811, 1094, 1440, 1622, 1641, 2188, 2433, 2735, 3244, 3282, 4055, 4376, 4866, 4923, 5470, 6488, 6564, 7299, 8110, 8205, 8752, 9732, 9846, 10940, 12165, 12976, 13128, 14598, 16220, 16410, 17504, 19464, 19692, 21880, 24330, 24615, 25952, 26256, 29196, 32440, 32820, 36495, 38928, 39384, 43760, 48660, 49230, 52512, 58392, 64880, 65640, 72990, 77856, 78768, 87520, 97320, 98460, 116784, 129760, 131280, 145980, 157536, 194640, 196920, 233568, 262560, 291960, 389280, 393840, 443617, 583920, 787680, 887234, 1167840, 1330851, 1774468, 2218085, 2661702, 3548936, 3992553, 4436170, 5323404, 6654255, 7097872, 7985106, 8872340, 10646808, 13308510, 14195744, 15970212, 17744680, 19962765, 21293616, 26617020, 31940424, 35489360, 39925530, 42587232, 53234040, 63880848, 70978720, 79851060, 106468080, 127761696, 159702120, 212936160, 319404240, 638808480]

約数ペア:

[(1, 638808480), (2, 319404240), (3, 212936160), (4, 159702120), (5, 127761696), (6, 106468080), (8, 79851060), (9, 70978720), (10, 63880848), (12, 53234040), (15, 42587232), (16, 39925530), (18, 35489360), (20, 31940424), (24, 26617020), (30, 21293616), (32, 19962765), (36, 17744680), (40, 15970212), (45, 14195744), (48, 13308510), (60, 10646808), (72, 8872340), (80, 7985106), (90, 7097872), (96, 6654255), (120, 5323404), (144, 4436170), (160, 3992553), (180, 3548936), (240, 2661702), (288, 2218085), (360, 1774468), (480, 1330851), (547, 1167840), (720, 887234), (811, 787680), (1094, 583920), (1440, 443617), (1622, 393840), (1641, 389280), (2188, 291960), (2433, 262560), (2735, 233568), (3244, 196920), (3282, 194640), (4055, 157536), (4376, 145980), (4866, 131280), (4923, 129760), (5470, 116784), (6488, 98460), (6564, 97320), (7299, 87520), (8110, 78768), (8205, 77856), (8752, 72990), (9732, 65640), (9846, 64880), (10940, 58392), (12165, 52512), (12976, 49230), (13128, 48660), (14598, 43760), (16220, 39384), (16410, 38928), (17504, 36495), (19464, 32820), (19692, 32440), (21880, 29196), (24330, 26256), (24615, 25952)]