131469240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{156511}}^1$

素因数の和:156532

約数の個数: 64

約数和(自身を含む): 450754560

約数和(自身を除く): 319285320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 156511, 313022, 469533, 626044, 782555, 939066, 1095577, 1252088, 1565110, 1878132, 2191154, 2347665, 3130220, 3286731, 3756264, 4382308, 4695330, 5477885, 6260440, 6573462, 8764616, 9390660, 10955770, 13146924, 16433655, 18781320, 21911540, 26293848, 32867310, 43823080, 65734620, 131469240]

約数ペア:

[(1, 131469240), (2, 65734620), (3, 43823080), (4, 32867310), (5, 26293848), (6, 21911540), (7, 18781320), (8, 16433655), (10, 13146924), (12, 10955770), (14, 9390660), (15, 8764616), (20, 6573462), (21, 6260440), (24, 5477885), (28, 4695330), (30, 4382308), (35, 3756264), (40, 3286731), (42, 3130220), (56, 2347665), (60, 2191154), (70, 1878132), (84, 1565110), (105, 1252088), (120, 1095577), (140, 939066), (168, 782555), (210, 626044), (280, 469533), (420, 313022), (840, 156511)]