168991620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{402361}}^1$

素因数の和:402380

約数の個数: 48

約数和(自身を含む): 540774528

約数和(自身を除く): 371782908

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 402361, 804722, 1207083, 1609444, 2011805, 2414166, 2816527, 4023610, 4828332, 5633054, 6035415, 8047220, 8449581, 11266108, 12070830, 14082635, 16899162, 24141660, 28165270, 33798324, 42247905, 56330540, 84495810, 168991620]

約数ペア:

[(1, 168991620), (2, 84495810), (3, 56330540), (4, 42247905), (5, 33798324), (6, 28165270), (7, 24141660), (10, 16899162), (12, 14082635), (14, 12070830), (15, 11266108), (20, 8449581), (21, 8047220), (28, 6035415), (30, 5633054), (35, 4828332), (42, 4023610), (60, 2816527), (70, 2414166), (84, 2011805), (105, 1609444), (140, 1207083), (210, 804722), (420, 402361)]