320800020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{79801}}^1$

素因数の和:79880

約数の個数: 48

約数和(自身を含む): 911658048

約数和(自身を除く): 590858028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 670, 804, 1005, 1340, 2010, 4020, 79801, 159602, 239403, 319204, 399005, 478806, 798010, 957612, 1197015, 1596020, 2394030, 4788060, 5346667, 10693334, 16040001, 21386668, 26733335, 32080002, 53466670, 64160004, 80200005, 106933340, 160400010, 320800020]

約数ペア:

[(1, 320800020), (2, 160400010), (3, 106933340), (4, 80200005), (5, 64160004), (6, 53466670), (10, 32080002), (12, 26733335), (15, 21386668), (20, 16040001), (30, 10693334), (60, 5346667), (67, 4788060), (134, 2394030), (201, 1596020), (268, 1197015), (335, 957612), (402, 798010), (670, 478806), (804, 399005), (1005, 319204), (1340, 239403), (2010, 159602), (4020, 79801)]