84000420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{409}}^1$

素因数の和:594

約数の個数: 144

約数和(自身を含む): 293704320

約数和(自身を除く): 209703900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 163, 180, 210, 252, 315, 326, 409, 420, 489, 630, 652, 815, 818, 978, 1141, 1227, 1260, 1467, 1630, 1636, 1956, 2045, 2282, 2445, 2454, 2863, 2934, 3260, 3423, 3681, 4090, 4564, 4890, 4908, 5705, 5726, 5868, 6135, 6846, 7335, 7362, 8180, 8589, 9780, 10269, 11410, 11452, 12270, 13692, 14315, 14670, 14724, 17115, 17178, 18405, 20538, 22820, 24540, 25767, 28630, 29340, 34230, 34356, 36810, 41076, 42945, 51345, 51534, 57260, 66667, 68460, 73620, 85890, 102690, 103068, 128835, 133334, 171780, 200001, 205380, 257670, 266668, 333335, 400002, 466669, 515340, 600003, 666670, 800004, 933338, 1000005, 1200006, 1333340, 1400007, 1866676, 2000010, 2333345, 2400012, 2800014, 3000015, 4000020, 4200021, 4666690, 5600028, 6000030, 7000035, 8400042, 9333380, 12000060, 14000070, 16800084, 21000105, 28000140, 42000210, 84000420]

約数ペア:

[(1, 84000420), (2, 42000210), (3, 28000140), (4, 21000105), (5, 16800084), (6, 14000070), (7, 12000060), (9, 9333380), (10, 8400042), (12, 7000035), (14, 6000030), (15, 5600028), (18, 4666690), (20, 4200021), (21, 4000020), (28, 3000015), (30, 2800014), (35, 2400012), (36, 2333345), (42, 2000010), (45, 1866676), (60, 1400007), (63, 1333340), (70, 1200006), (84, 1000005), (90, 933338), (105, 800004), (126, 666670), (140, 600003), (163, 515340), (180, 466669), (210, 400002), (252, 333335), (315, 266668), (326, 257670), (409, 205380), (420, 200001), (489, 171780), (630, 133334), (652, 128835), (815, 103068), (818, 102690), (978, 85890), (1141, 73620), (1227, 68460), (1260, 66667), (1467, 57260), (1630, 51534), (1636, 51345), (1956, 42945), (2045, 41076), (2282, 36810), (2445, 34356), (2454, 34230), (2863, 29340), (2934, 28630), (3260, 25767), (3423, 24540), (3681, 22820), (4090, 20538), (4564, 18405), (4890, 17178), (4908, 17115), (5705, 14724), (5726, 14670), (5868, 14315), (6135, 13692), (6846, 12270), (7335, 11452), (7362, 11410), (8180, 10269), (8589, 9780)]