168303660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{400723}}^1$

素因数の和:400742

約数の個数: 48

約数和(自身を含む): 538573056

約数和(自身を除く): 370269396

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, 400723, 801446, 1202169, 1602892, 2003615, 2404338, 2805061, 4007230, 4808676, 5610122, 6010845, 8014460, 8415183, 11220244, 12021690, 14025305, 16830366, 24043380, 28050610, 33660732, 42075915, 56101220, 84151830, 168303660]

約数ペア:

[(1, 168303660), (2, 84151830), (3, 56101220), (4, 42075915), (5, 33660732), (6, 28050610), (7, 24043380), (10, 16830366), (12, 14025305), (14, 12021690), (15, 11220244), (20, 8415183), (21, 8014460), (28, 6010845), (30, 5610122), (35, 4808676), (42, 4007230), (60, 2805061), (70, 2404338), (84, 2003615), (105, 1602892), (140, 1202169), (210, 801446), (420, 400723)]