76678840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 212284800

約数和(自身を除く): 135605960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 89, 119, 136, 140, 170, 178, 181, 238, 280, 340, 356, 362, 445, 476, 595, 623, 680, 712, 724, 890, 905, 952, 1190, 1246, 1267, 1448, 1513, 1780, 1810, 2380, 2492, 2534, 3026, 3077, 3115, 3560, 3620, 4760, 4984, 5068, 6052, 6154, 6230, 6335, 7240, 7565, 10136, 10591, 12104, 12308, 12460, 12670, 15130, 15385, 16109, 21182, 21539, 24616, 24920, 25340, 30260, 30770, 32218, 42364, 43078, 50680, 52955, 60520, 61540, 64436, 80545, 84728, 86156, 105910, 107695, 112763, 123080, 128872, 161090, 172312, 211820, 215390, 225526, 273853, 322180, 423640, 430780, 451052, 547706, 563815, 644360, 861560, 902104, 1095412, 1127630, 1369265, 1916971, 2190824, 2255260, 2738530, 3833942, 4510520, 5477060, 7667884, 9584855, 10954120, 15335768, 19169710, 38339420, 76678840]

約数ペア:

[(1, 76678840), (2, 38339420), (4, 19169710), (5, 15335768), (7, 10954120), (8, 9584855), (10, 7667884), (14, 5477060), (17, 4510520), (20, 3833942), (28, 2738530), (34, 2255260), (35, 2190824), (40, 1916971), (56, 1369265), (68, 1127630), (70, 1095412), (85, 902104), (89, 861560), (119, 644360), (136, 563815), (140, 547706), (170, 451052), (178, 430780), (181, 423640), (238, 322180), (280, 273853), (340, 225526), (356, 215390), (362, 211820), (445, 172312), (476, 161090), (595, 128872), (623, 123080), (680, 112763), (712, 107695), (724, 105910), (890, 86156), (905, 84728), (952, 80545), (1190, 64436), (1246, 61540), (1267, 60520), (1448, 52955), (1513, 50680), (1780, 43078), (1810, 42364), (2380, 32218), (2492, 30770), (2534, 30260), (3026, 25340), (3077, 24920), (3115, 24616), (3560, 21539), (3620, 21182), (4760, 16109), (4984, 15385), (5068, 15130), (6052, 12670), (6154, 12460), (6230, 12308), (6335, 12104), (7240, 10591), (7565, 10136)]