78998220

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{20899}}^1$

素因数の和:20924

約数の個数: 96

約数和(自身を含む): 280896000

約数和(自身を除く): 201897780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 20899, 41798, 62697, 83596, 104495, 125394, 146293, 188091, 208990, 250788, 292586, 313485, 376182, 417980, 438879, 564273, 585172, 626970, 731465, 752364, 877758, 940455, 1128546, 1253940, 1316637, 1462930, 1755516, 1880910, 2194395, 2257092, 2633274, 2821365, 2925860, 3761820, 3949911, 4388790, 5266548, 5642730, 6583185, 7899822, 8777580, 11285460, 13166370, 15799644, 19749555, 26332740, 39499110, 78998220]

約数ペア:

[(1, 78998220), (2, 39499110), (3, 26332740), (4, 19749555), (5, 15799644), (6, 13166370), (7, 11285460), (9, 8777580), (10, 7899822), (12, 6583185), (14, 5642730), (15, 5266548), (18, 4388790), (20, 3949911), (21, 3761820), (27, 2925860), (28, 2821365), (30, 2633274), (35, 2257092), (36, 2194395), (42, 1880910), (45, 1755516), (54, 1462930), (60, 1316637), (63, 1253940), (70, 1128546), (84, 940455), (90, 877758), (105, 752364), (108, 731465), (126, 626970), (135, 585172), (140, 564273), (180, 438879), (189, 417980), (210, 376182), (252, 313485), (270, 292586), (315, 250788), (378, 208990), (420, 188091), (540, 146293), (630, 125394), (756, 104495), (945, 83596), (1260, 62697), (1890, 41798), (3780, 20899)]